#
# @BEGIN LICENSE
#
# Psi4: an open-source quantum chemistry software package
#
# Copyright (c) 2007-2017 The Psi4 Developers.
#
# The copyrights for code used from other parties are included in
# the corresponding files.
#
# This file is part of Psi4.
#
# Psi4 is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, version 3.
#
# Psi4 is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License along
# with Psi4; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# @END LICENSE
#
"""Module with functions that encode the sequence of PSI module
calls for each of the *name* values of the energy(), optimize(),
response(), and frequency() function. *name* can be assumed lowercase by here.
"""
from __future__ import print_function
from __future__ import absolute_import
import shutil
import os
import subprocess
import re
import numpy as np
from psi4 import extras
from psi4.driver import p4util
from psi4.driver import qcdb
from psi4.driver.p4util.exceptions import *
from psi4.driver.molutil import *
from .roa import *
from . import proc_util
from . import empirical_dispersion
from . import dft_functional
from . import mcscf
# never import driver, wrappers, or aliases into this file
# ATTN NEW ADDITIONS!
# consult http://psicode.org/psi4manual/master/proc_py.html
def select_mp2(name, **kwargs):
"""Function selecting the algorithm for a MP2 energy call
and directing to specified or best-performance default modules.
"""
reference = core.get_option('SCF', 'REFERENCE')
mtd_type = core.get_global_option('MP2_TYPE')
module = core.get_global_option('QC_MODULE')
# Considering only [df]occ/dfmp2/detci/fnocc
# MP2_TYPE exists largely for py-side reasoning, so must manage it
# here rather than passing to c-side unprepared for validation
func = None
if reference == 'RHF':
if mtd_type == 'CONV':
if module == 'DETCI':
func = run_detci
elif module == 'FNOCC':
func = run_fnocc
elif module in ['', 'OCC']:
func = run_occ
elif mtd_type == 'DF':
if module == 'OCC':
func = run_dfocc
elif module in ['', 'DFMP2']:
func = run_dfmp2
elif mtd_type == 'CD':
if module in ['', 'OCC']:
func = run_dfocc
elif reference == 'UHF':
if mtd_type == 'CONV':
if module in ['', 'OCC']:
func = run_occ
elif mtd_type == 'DF':
if module == 'OCC':
func = run_dfocc
elif module in ['', 'DFMP2']:
func = run_dfmp2
elif mtd_type == 'CD':
if module in ['', 'OCC']:
func = run_dfocc
elif reference == 'ROHF':
if mtd_type == 'CONV':
if module == 'DETCI':
func = run_detci
elif module in ['', 'OCC']:
func = run_occ
elif mtd_type == 'DF':
if module == 'OCC':
func = run_dfocc
elif module in ['', 'DFMP2']:
func = run_dfmp2
elif mtd_type == 'CD':
if module in ['', 'OCC']:
func = run_dfocc
elif reference in ['RKS', 'UKS']:
if mtd_type == 'DF':
if module in ['', 'DFMP2']:
func = run_dfmp2
if func is None:
raise ManagedMethodError(['select_mp2', name, 'MP2_TYPE', mtd_type, reference, module])
if kwargs.pop('probe', False):
return
else:
return func(name, **kwargs)
def select_mp2_gradient(name, **kwargs):
"""Function selecting the algorithm for a MP2 gradient call
and directing to specified or best-performance default modules.
"""
reference = core.get_option('SCF', 'REFERENCE')
mtd_type = core.get_global_option('MP2_TYPE')
module = core.get_global_option('QC_MODULE')
# Considering only [df]occ/dfmp2
func = None
if reference == 'RHF':
if mtd_type == 'CONV':
if module in ['', 'OCC']:
func = run_occ_gradient
elif mtd_type == 'DF':
if module == 'OCC':
func = run_dfocc_gradient
elif module in ['', 'DFMP2']:
func = run_dfmp2_gradient
elif reference == 'UHF':
if mtd_type == 'CONV':
if module in ['', 'OCC']:
func = run_occ_gradient
elif mtd_type == 'DF':
if module in ['', 'OCC']:
func = run_dfocc_gradient
if func is None:
raise ManagedMethodError(['select_mp2_gradient', name, 'MP2_TYPE', mtd_type, reference, module])
if kwargs.pop('probe', False):
return
else:
return func(name, **kwargs)
def select_mp2_property(name, **kwargs):
"""Function selecting the algorithm for a MP2 property call
and directing to specified or best-performance default modules.
"""
reference = core.get_option('SCF', 'REFERENCE')
mtd_type = core.get_global_option('MP2_TYPE')
module = core.get_global_option('QC_MODULE')
# Considering only dfmp2 for now
func = None
if reference == 'RHF':
if mtd_type == 'DF':
#if module == 'OCC':
# func = run_dfocc_property
if module in ['', 'DFMP2']:
func = run_dfmp2_property
#elif reference == 'UHF':
# if mtd_type == 'DF':
# if module in ['', 'OCC']:
# func = run_dfocc_property
if func is None:
raise ManagedMethodError(['select_mp2_property', name, 'MP2_TYPE', mtd_type, reference, module])
if kwargs.pop('probe', False):
return
else:
return func(name, **kwargs)
def select_omp2(name, **kwargs):
"""Function selecting the algorithm for an OMP2 energy call
and directing to specified or best-performance default modules.
"""
reference = core.get_option('SCF', 'REFERENCE')
mtd_type = core.get_global_option('MP2_TYPE')
module = core.get_global_option('QC_MODULE')
# Considering only [df]occ
func = None
if reference in ['RHF', 'UHF', 'ROHF', 'RKS', 'UKS']:
if mtd_type == 'CONV':
if module in ['', 'OCC']:
func = run_occ
elif mtd_type == 'DF':
if module in ['', 'OCC']:
func = run_dfocc
elif mtd_type == 'CD':
if module in ['', 'OCC']:
func = run_dfocc
if func is None:
raise ManagedMethodError(['select_omp2', name, 'MP2_TYPE', mtd_type, reference, module])
if kwargs.pop('probe', False):
return
else:
return func(name, **kwargs)
def select_omp2_gradient(name, **kwargs):
"""Function selecting the algorithm for an OMP2 gradient call
and directing to specified or best-performance default modules.
"""
reference = core.get_option('SCF', 'REFERENCE')
mtd_type = core.get_global_option('MP2_TYPE')
module = core.get_global_option('QC_MODULE')
# Considering only [df]occ
func = None
if reference in ['RHF', 'UHF', 'ROHF', 'RKS', 'UKS']:
if mtd_type == 'CONV':
if module in ['', 'OCC']:
func = run_occ_gradient
elif mtd_type == 'DF':
if module in ['', 'OCC']:
func = run_dfocc_gradient
if func is None:
raise ManagedMethodError(['select_omp2_gradient', name, 'MP2_TYPE', mtd_type, reference, module])
if kwargs.pop('probe', False):
return
else:
return func(name, **kwargs)
def select_omp2_property(name, **kwargs):
"""Function selecting the algorithm for an OMP2 property call
and directing to specified or best-performance default modules.
"""
reference = core.get_option('SCF', 'REFERENCE')
mtd_type = core.get_global_option('MP2_TYPE')
module = core.get_global_option('QC_MODULE')
# Considering only [df]occ
func = None
if reference in ['RHF', 'UHF', 'ROHF', 'RKS', 'UKS']:
if mtd_type == 'DF':
if module in ['', 'OCC']:
func = run_dfocc_property
if func is None:
raise ManagedMethodError(['select_omp2_property', name, 'MP2_TYPE', mtd_type, reference, module])
if kwargs.pop('probe', False):
return
else:
return func(name, **kwargs)
def select_mp3(name, **kwargs):
"""Function selecting the algorithm for a MP3 energy call
and directing to specified or best-performance default modules.
"""
reference = core.get_option('SCF', 'REFERENCE')
mtd_type = core.get_global_option('MP_TYPE')
module = core.get_global_option('QC_MODULE')
# Considering only [df]occ/fnocc/detci
func = None
if reference == 'RHF':
if mtd_type == 'CONV':
if module == 'DETCI':
func = run_detci
elif module == 'FNOCC':
func = run_fnocc
elif module in ['', 'OCC']:
func = run_occ
elif mtd_type == 'DF':
if module in ['', 'OCC']:
func = run_dfocc
elif mtd_type == 'CD':
if module in ['', 'OCC']:
func = run_dfocc
elif reference == 'UHF':
if mtd_type == 'CONV':
if module in ['', 'OCC']:
func = run_occ
elif mtd_type == 'DF':
if module in ['', 'OCC']:
func = run_dfocc
elif mtd_type == 'CD':
if module in ['', 'OCC']:
func = run_dfocc
elif reference == 'ROHF':
if mtd_type == 'CONV':
if module == 'DETCI': # no default for this case
func = run_detci
elif module in ['']:
core.print_out("""\nThis method is available inefficiently as a """
"""byproduct of a CISD computation.\n Add "set """
"""qc_module detci" to input to access this route.\n""")
if func is None:
raise ManagedMethodError(['select_mp3', name, 'MP_TYPE', mtd_type, reference, module])
if kwargs.pop('probe', False):
return
else:
return func(name, **kwargs)
def select_mp3_gradient(name, **kwargs):
"""Function selecting the algorithm for a MP3 gradient call
and directing to specified or best-performance default modules.
"""
reference = core.get_option('SCF', 'REFERENCE')
mtd_type = core.get_global_option('MP_TYPE')
module = core.get_global_option('QC_MODULE')
# Considering only [df]occ
func = None
if reference == 'RHF':
if mtd_type == 'CONV':
if module in ['', 'OCC']:
func = run_occ_gradient
elif mtd_type == 'DF':
if module in ['', 'OCC']:
func = run_dfocc_gradient
elif reference == 'UHF':
if mtd_type == 'CONV':
if module in ['', 'OCC']:
func = run_occ_gradient
elif mtd_type == 'DF':
if module in ['', 'OCC']:
func = run_dfocc_gradient
if func is None:
raise ManagedMethodError(['select_mp3_gradient', name, 'MP_TYPE', mtd_type, reference, module])
if kwargs.pop('probe', False):
return
else:
return func(name, **kwargs)
def select_omp3(name, **kwargs):
"""Function selecting the algorithm for an OMP3 energy call
and directing to specified or best-performance default modules.
"""
reference = core.get_option('SCF', 'REFERENCE')
mtd_type = core.get_global_option('MP_TYPE')
module = core.get_global_option('QC_MODULE')
# Considering only [df]occ
func = None
if reference in ['RHF', 'UHF', 'ROHF', 'RKS', 'UKS']:
if mtd_type == 'CONV':
if module in ['', 'OCC']:
func = run_occ
elif mtd_type == 'DF':
if module in ['', 'OCC']:
func = run_dfocc
elif mtd_type == 'CD':
if module in ['', 'OCC']:
func = run_dfocc
if func is None:
raise ManagedMethodError(['select_omp3', name, 'MP_TYPE', mtd_type, reference, module])
if kwargs.pop('probe', False):
return
else:
return func(name, **kwargs)
def select_omp3_gradient(name, **kwargs):
"""Function selecting the algorithm for an OMP3 gradient call
and directing to specified or best-performance default modules.
"""
reference = core.get_option('SCF', 'REFERENCE')
mtd_type = core.get_global_option('MP_TYPE')
module = core.get_global_option('QC_MODULE')
# Considering only [df]occ
func = None
if reference in ['RHF', 'UHF', 'ROHF', 'RKS', 'UKS']:
if mtd_type == 'CONV':
if module in ['', 'OCC']:
func = run_occ_gradient
elif mtd_type == 'DF':
if module in ['', 'OCC']:
func = run_dfocc_gradient
if func is None:
raise ManagedMethodError(['select_omp3_gradient', name, 'MP_TYPE', mtd_type, reference, module])
if kwargs.pop('probe', False):
return
else:
return func(name, **kwargs)
def select_mp2p5(name, **kwargs):
"""Function selecting the algorithm for a MP2.5 energy call
and directing to specified or best-performance default modules.
"""
reference = core.get_option('SCF', 'REFERENCE')
mtd_type = core.get_global_option('MP_TYPE')
module = core.get_global_option('QC_MODULE')
# Considering only [df]occ
func = None
if reference in ['RHF', 'UHF']:
if mtd_type == 'CONV':
if module in ['', 'OCC']:
func = run_occ
elif mtd_type == 'DF':
if module in ['', 'OCC']:
func = run_dfocc
elif mtd_type == 'CD':
if module in ['', 'OCC']:
func = run_dfocc
if func is None:
raise ManagedMethodError(['select_mp2p5', name, 'MP_TYPE', mtd_type, reference, module])
if kwargs.pop('probe', False):
return
else:
return func(name, **kwargs)
def select_mp2p5_gradient(name, **kwargs):
"""Function selecting the algorithm for a MP2.5 gradient call
and directing to specified or best-performance default modules.
"""
reference = core.get_option('SCF', 'REFERENCE')
mtd_type = core.get_global_option('MP_TYPE')
module = core.get_global_option('QC_MODULE')
# Considering only [df]occ
func = None
if reference in ['RHF', 'UHF']:
if mtd_type == 'CONV':
if module in ['', 'OCC']:
func = run_occ_gradient
elif mtd_type == 'DF':
if module in ['', 'OCC']:
func = run_dfocc_gradient
if func is None:
raise ManagedMethodError(['select_mp2p5_gradient', name, 'MP_TYPE', mtd_type, reference, module])
if kwargs.pop('probe', False):
return
else:
return func(name, **kwargs)
def select_omp2p5(name, **kwargs):
"""Function selecting the algorithm for an OMP2.5 energy call
and directing to specified or best-performance default modules.
"""
reference = core.get_option('SCF', 'REFERENCE')
mtd_type = core.get_global_option('MP_TYPE')
module = core.get_global_option('QC_MODULE')
# Considering only [df]occ
func = None
if reference in ['RHF', 'UHF', 'ROHF', 'RKS', 'UKS']:
if mtd_type == 'CONV':
if module in ['', 'OCC']:
func = run_occ
elif mtd_type == 'DF':
if module in ['', 'OCC']:
func = run_dfocc
elif mtd_type == 'CD':
if module in ['', 'OCC']:
func = run_dfocc
if func is None:
raise ManagedMethodError(['select_omp2p5', name, 'MP_TYPE', mtd_type, reference, module])
if kwargs.pop('probe', False):
return
else:
return func(name, **kwargs)
def select_omp2p5_gradient(name, **kwargs):
"""Function selecting the algorithm for an OMP2.5 gradient call
and directing to specified or best-performance default modules.
"""
reference = core.get_option('SCF', 'REFERENCE')
mtd_type = core.get_global_option('MP_TYPE')
module = core.get_global_option('QC_MODULE')
# Considering only [df]occ
func = None
if reference in ['RHF', 'UHF', 'ROHF', 'RKS', 'UKS']:
if mtd_type == 'CONV':
if module in ['', 'OCC']:
func = run_occ_gradient
elif mtd_type == 'DF':
if module in ['', 'OCC']:
func = run_dfocc_gradient
if func is None:
raise ManagedMethodError(['select_omp2p5_gradient', name, 'MP_TYPE', mtd_type, reference, module])
if kwargs.pop('probe', False):
return
else:
return func(name, **kwargs)
def select_lccd(name, **kwargs):
"""Function selecting the algorithm for a LCCD energy call
and directing to specified or best-performance default modules.
"""
reference = core.get_option('SCF', 'REFERENCE')
mtd_type = core.get_global_option('CC_TYPE')
module = core.get_global_option('QC_MODULE')
# Considering only [df]occ/fnocc
func = None
if reference == 'RHF':
if mtd_type == 'CONV':
if module == 'OCC':
func = run_occ
elif module in ['', 'FNOCC']:
func = run_cepa
elif mtd_type == 'DF':
if module in ['', 'OCC']:
func = run_dfocc
elif mtd_type == 'CD':
if module in ['', 'OCC']:
func = run_dfocc
elif reference == 'UHF':
if mtd_type == 'CONV':
if module in ['', 'OCC']:
func = run_occ
elif mtd_type == 'DF':
if module in ['', 'OCC']:
func = run_dfocc
elif mtd_type == 'CD':
if module in ['', 'OCC']:
func = run_dfocc
if func is None:
raise ManagedMethodError(['select_lccd', name, 'CC_TYPE', mtd_type, reference, module])
if kwargs.pop('probe', False):
return
else:
return func(name, **kwargs)
def select_lccd_gradient(name, **kwargs):
"""Function selecting the algorithm for a LCCD gradient call
and directing to specified or best-performance default modules.
"""
reference = core.get_option('SCF', 'REFERENCE')
mtd_type = core.get_global_option('CC_TYPE')
module = core.get_global_option('QC_MODULE')
# Considering only [df]occ
func = None
if reference in ['RHF', 'UHF']:
if mtd_type == 'CONV':
if module in ['', 'OCC']:
func = run_occ_gradient
elif mtd_type == 'DF':
if module in ['', 'OCC']:
func = run_dfocc_gradient
if func is None:
raise ManagedMethodError(['select_lccd_gradient', name, 'CC_TYPE', mtd_type, reference, module])
if kwargs.pop('probe', False):
return
else:
return func(name, **kwargs)
def select_olccd(name, **kwargs):
"""Function selecting the algorithm for an OLCCD energy call
and directing to specified or best-performance default modules.
"""
reference = core.get_option('SCF', 'REFERENCE')
mtd_type = core.get_global_option('CC_TYPE')
module = core.get_global_option('QC_MODULE')
# Considering only [df]occ
func = None
if reference in ['RHF', 'UHF', 'ROHF', 'RKS', 'UKS']:
if mtd_type == 'CONV':
if module in ['', 'OCC']:
func = run_occ
elif mtd_type == 'DF':
if module in ['', 'OCC']:
func = run_dfocc
elif mtd_type == 'CD':
if module in ['', 'OCC']:
func = run_dfocc
if func is None:
raise ManagedMethodError(['select_olccd', name, 'CC_TYPE', mtd_type, reference, module])
if kwargs.pop('probe', False):
return
else:
return func(name, **kwargs)
def select_olccd_gradient(name, **kwargs):
"""Function selecting the algorithm for an OLCCD gradient call
and directing to specified or best-performance default modules.
"""
reference = core.get_option('SCF', 'REFERENCE')
mtd_type = core.get_global_option('CC_TYPE')
module = core.get_global_option('QC_MODULE')
# Considering only [df]occ
func = None
if reference in ['RHF', 'UHF', 'ROHF', 'RKS', 'UKS']:
if mtd_type == 'CONV':
if module in ['', 'OCC']:
func = run_occ_gradient
elif mtd_type == 'DF':
if module in ['', 'OCC']:
func = run_dfocc_gradient
if func is None:
raise ManagedMethodError(['select_olccd_gradient', name, 'CC_TYPE', mtd_type, reference, module])
if kwargs.pop('probe', False):
return
else:
return func(name, **kwargs)
def select_fnoccsd(name, **kwargs):
"""Function selecting the algorithm for a FNO-CCSD energy call
and directing to specified or best-performance default modules.
"""
reference = core.get_option('SCF', 'REFERENCE')
mtd_type = core.get_global_option('CC_TYPE')
module = core.get_global_option('QC_MODULE')
# Considering only fnocc
func = None
if reference == 'RHF':
if mtd_type == 'CONV':
if module in ['', 'FNOCC']:
func = run_fnocc
elif mtd_type == 'DF':
if module in ['', 'FNOCC']:
func = run_fnodfcc
elif mtd_type == 'CD':
if module in ['', 'FNOCC']:
func = run_fnodfcc
if func is None:
raise ManagedMethodError(['select_fnoccsd', name, 'CC_TYPE', mtd_type, reference, module])
if kwargs.pop('probe', False):
return
else:
return func(name, **kwargs)
def select_ccsd(name, **kwargs):
"""Function selecting the algorithm for a CCSD energy call
and directing to specified or best-performance default modules.
"""
reference = core.get_option('SCF', 'REFERENCE')
mtd_type = core.get_global_option('CC_TYPE')
module = core.get_global_option('QC_MODULE')
# Considering only [df]occ/ccenergy/detci/fnocc
func = None
if reference == 'RHF':
if mtd_type == 'CONV':
if module == 'DETCI':
func = run_detci
elif module == 'FNOCC':
func = run_fnocc
elif module in ['', 'CCENERGY']:
func = run_ccenergy
elif mtd_type == 'DF':
if module == 'OCC':
func = run_dfocc
elif module in ['', 'FNOCC']:
func = run_fnodfcc
elif mtd_type == 'CD':
if module == 'OCC':
func = run_dfocc
elif module in ['', 'FNOCC']:
func = run_fnodfcc
elif reference == 'UHF':
if mtd_type == 'CONV':
if module in ['', 'CCENERGY']:
func = run_ccenergy
elif reference == 'ROHF':
if mtd_type == 'CONV':
if module == 'DETCI':
func = run_detci
elif module in ['', 'CCENERGY']:
func = run_ccenergy
if func is None:
raise ManagedMethodError(['select_ccsd', name, 'CC_TYPE', mtd_type, reference, module])
if kwargs.pop('probe', False):
return
else:
return func(name, **kwargs)
def select_ccsd_gradient(name, **kwargs):
"""Function selecting the algorithm for a CCSD gradient call
and directing to specified or best-performance default modules.
"""
reference = core.get_option('SCF', 'REFERENCE')
mtd_type = core.get_global_option('CC_TYPE')
module = core.get_global_option('QC_MODULE')
# Considering only [df]occ/ccenergy
func = None
if reference == 'RHF':
if mtd_type == 'CONV':
if module in ['', 'CCENERGY']:
func = run_ccenergy_gradient
elif mtd_type == 'DF':
if module in ['', 'OCC']:
func = run_dfocc_gradient
elif reference == 'UHF':
if mtd_type == 'CONV':
if module in ['', 'CCENERGY']:
func = run_ccenergy_gradient
elif reference == 'ROHF':
if mtd_type == 'CONV':
if module in ['', 'CCENERGY']:
func = run_ccenergy_gradient
if func is None:
raise ManagedMethodError(['select_ccsd_gradient', name, 'CC_TYPE', mtd_type, reference, module])
if kwargs.pop('probe', False):
return
else:
return func(name, **kwargs)
def select_fnoccsd_t_(name, **kwargs):
"""Function selecting the algorithm for a FNO-CCSD(T) energy call
and directing to specified or best-performance default modules.
"""
reference = core.get_option('SCF', 'REFERENCE')
mtd_type = core.get_global_option('CC_TYPE')
module = core.get_global_option('QC_MODULE')
# Considering only fnocc
func = None
if reference == 'RHF':
if mtd_type == 'CONV':
if module in ['', 'FNOCC']:
func = run_fnocc
elif mtd_type == 'DF':
if module in ['', 'FNOCC']:
func = run_fnodfcc
elif mtd_type == 'CD':
if module in ['', 'FNOCC']:
func = run_fnodfcc
if func is None:
raise ManagedMethodError(['select_fnoccsd_t_', name, 'CC_TYPE', mtd_type, reference, module])
if kwargs.pop('probe', False):
return
else:
return func(name, **kwargs)
def select_ccsd_t_(name, **kwargs):
"""Function selecting the algorithm for a CCSD(T) energy call
and directing to specified or best-performance default modules.
"""
reference = core.get_option('SCF', 'REFERENCE')
mtd_type = core.get_global_option('CC_TYPE')
module = core.get_global_option('QC_MODULE')
# Considering only [df]occ/ccenergy/fnocc
func = None
if reference == 'RHF':
if mtd_type == 'CONV':
if module == 'FNOCC':
func = run_fnocc
elif module in ['', 'CCENERGY']:
func = run_ccenergy
elif mtd_type == 'DF':
if module == 'OCC':
func = run_dfocc
elif module in ['', 'FNOCC']:
func = run_fnodfcc
elif mtd_type == 'CD':
if module == 'OCC':
func = run_dfocc
elif module in ['', 'FNOCC']:
func = run_fnodfcc
elif reference in ['UHF', 'ROHF']:
if mtd_type == 'CONV':
if module in ['', 'CCENERGY']:
func = run_ccenergy
if func is None:
raise ManagedMethodError(['select_ccsd_t_', name, 'CC_TYPE', mtd_type, reference, module])
if kwargs.pop('probe', False):
return
else:
return func(name, **kwargs)
def select_ccsd_t__gradient(name, **kwargs):
"""Function selecting the algorithm for a CCSD(T) gradient call
and directing to specified or best-performance default modules.
"""
reference = core.get_option('SCF', 'REFERENCE')
mtd_type = core.get_global_option('CC_TYPE')
module = core.get_global_option('QC_MODULE')
# Considering only ccenergy
func = None
if reference in ['RHF', 'UHF']:
if mtd_type == 'CONV':
if module in ['', 'CCENERGY']:
func = run_ccenergy_gradient
if func is None:
raise ManagedMethodError(['select_ccsd_t__gradient', name, 'CC_TYPE', mtd_type, reference, module])
if kwargs.pop('probe', False):
return
else:
return func(name, **kwargs)
def select_ccsd_at_(name, **kwargs):
"""Function selecting the algorithm for a CCSD(AT) energy call
and directing to specified or best-performance default modules.
"""
reference = core.get_option('SCF', 'REFERENCE')
mtd_type = core.get_global_option('CC_TYPE')
module = core.get_global_option('QC_MODULE')
# Considering only [df]occ/ccenergy
func = None
if reference == 'RHF':
if mtd_type == 'CONV':
if module in ['', 'CCENERGY']:
func = run_ccenergy
elif mtd_type == 'DF':
if module in ['', 'OCC']:
func = run_dfocc
elif mtd_type == 'CD':
if module in ['', 'OCC']:
func = run_dfocc
if func is None:
raise ManagedMethodError(['select_ccsd_at_', name, 'CC_TYPE', mtd_type, reference, module])
if kwargs.pop('probe', False):
return
else:
return func(name, **kwargs)
def select_cisd(name, **kwargs):
"""Function selecting the algorithm for a CISD energy call
and directing to specified or best-performance default modules.
"""
reference = core.get_option('SCF', 'REFERENCE')
mtd_type = core.get_global_option('CI_TYPE')
module = core.get_global_option('QC_MODULE')
# Considering only detci/fnocc
func = None
if reference == 'RHF':
if mtd_type == 'CONV':
if module == 'DETCI':
func = run_detci
elif module in ['', 'FNOCC']:
func = run_cepa
elif reference == 'ROHF':
if mtd_type == 'CONV':
if module in ['', 'DETCI']:
func = run_detci
if func is None:
raise ManagedMethodError(['select_cisd', name, 'CI_TYPE', mtd_type, reference, module])
if kwargs.pop('probe', False):
return
else:
return func(name, **kwargs)
def select_mp4(name, **kwargs):
"""Function selecting the algorithm for a MP4 energy call
and directing to specified or best-performance default modules.
"""
reference = core.get_option('SCF', 'REFERENCE')
mtd_type = core.get_global_option('MP_TYPE')
module = core.get_global_option('QC_MODULE')
# Considering only detci/fnocc
func = None
if reference == 'RHF':
if mtd_type == 'CONV':
if module == 'DETCI':
func = run_detci
elif module in ['', 'FNOCC']:
func = run_fnocc
elif reference == 'ROHF':
if mtd_type == 'CONV':
if module == 'DETCI': # no default for this case
func = run_detci
elif module in ['']:
core.print_out("""\nThis method is available inefficiently as a """
"""byproduct of a CISDT computation.\n Add "set """
"""qc_module detci" to input to access this route.\n""")
if func is None:
raise ManagedMethodError(['select_mp4', name, 'MP_TYPE', mtd_type, reference, module])
if kwargs.pop('probe', False):
return
else:
return func(name, **kwargs)
[docs]def scf_wavefunction_factory(reference, ref_wfn, functional=None):
"""Builds the correct wavefunction from the provided information
"""
if core.has_option_changed("SCF", "DFT_DISPERSION_PARAMETERS"):
modified_disp_params = core.get_option("SCF", "DFT_DISPERSION_PARAMETERS")
else:
modified_disp_params = None
# Figure out functional
if functional is None:
superfunc, disp_type = dft_functional.build_superfunctional(core.get_option("SCF", "DFT_FUNCTIONAL"))
elif isinstance(functional, core.SuperFunctional):
superfunc = functional
disp_type = False
elif isinstance(functional, (str, unicode)):
superfunc, disp_type = dft_functional.build_superfunctional(functional)
else:
raise ValidationError("Functional %s is not understood" % str(functional))
# Build the wavefunction
core.prepare_options_for_module("SCF")
if reference in ["RHF", "RKS"]:
wfn = core.RHF(ref_wfn, superfunc)
elif reference == "ROHF":
wfn = core.ROHF(ref_wfn, superfunc)
elif reference in ["UHF", "UKS"]:
wfn = core.UHF(ref_wfn, superfunc)
elif reference == "CUHF":
wfn = core.CUHF(ref_wfn, superfunc)
else:
raise ValidationError("SCF: Unknown reference (%s) when building the Wavefunction." % reference)
if disp_type:
wfn._disp_functor = empirical_dispersion.EmpericalDispersion(disp_type[0], disp_type[1],
tuple_params = modified_disp_params)
wfn._disp_functor.print_out()
# Set the multitude of SAD basis sets
if (core.get_option("SCF", "SCF_TYPE") == "DF") or \
(core.get_option("SCF", "DF_SCF_GUESS") and (core.get_option("SCF", "SCF_TYPE") == "DIRECT")):
aux_basis = core.BasisSet.build(wfn.molecule(), "DF_BASIS_SCF",
core.get_option("SCF", "DF_BASIS_SCF"),
"JKFIT", core.get_global_option('BASIS'),
puream=wfn.basisset().has_puream())
wfn.set_basisset("DF_BASIS_SCF", aux_basis)
if core.get_global_option("RELATIVISTIC") in ["X2C", "DKH"]:
decon_basis = core.BasisSet.build(wfn.molecule(), "BASIS_RELATIVISTIC",
core.get_option("SCF", "BASIS_RELATIVISTIC"),
"DECON", core.get_global_option('BASIS'),
puream=wfn.basisset().has_puream())
wfn.set_basisset("BASIS_RELATIVISTIC", decon_basis)
if (core.get_option("SCF", "GUESS") == "SAD"):
sad_basis_list = core.BasisSet.build(wfn.molecule(), "ORBITAL",
core.get_global_option("BASIS"),
puream=wfn.basisset().has_puream(),
return_atomlist=True)
wfn.set_sad_basissets(sad_basis_list)
if (core.get_option("SCF", "SAD_SCF_TYPE") == "DF"):
sad_fitting_list = core.BasisSet.build(wfn.molecule(), "DF_BASIS_SAD",
core.get_option("SCF", "DF_BASIS_SAD"),
puream=wfn.basisset().has_puream(),
return_atomlist=True)
wfn.set_sad_fitting_basissets(sad_fitting_list)
return wfn
[docs]def scf_helper(name, **kwargs):
"""Function serving as helper to SCF, choosing whether to cast
up or just run SCF with a standard guess. This preserves
previous SCF options set by other procedures (e.g., SAPT
output file types for SCF).
"""
optstash = p4util.OptionsState(
['PUREAM'],
['BASIS'],
['QMEFP'],
['DF_BASIS_SCF'],
['SCF', 'GUESS'],
['SCF', 'DF_INTS_IO'],
['SCF', 'SCF_TYPE'] # Hack: scope gets changed internally with the Andy trick
)
optstash2 = p4util.OptionsState(
['BASIS'],
['DF_BASIS_SCF'],
['SCF', 'SCF_TYPE'],
['SCF', 'DF_INTS_IO'])
# Grab a few kwargs
use_c1 = kwargs.get('use_c1', False)
scf_molecule = kwargs.get('molecule', core.get_active_molecule())
read_orbitals = core.get_option('SCF', 'GUESS') is "READ"
do_timer = kwargs.pop("do_timer", True)
ref_wfn = kwargs.pop('ref_wfn', None)
if ref_wfn is not None:
raise Exception("Cannot supply a SCF wavefunction a ref_wfn.")
if do_timer:
core.tstart()
# Second-order SCF requires non-symmetric density matrix support
if core.get_option('SCF', 'SOSCF'):
proc_util.check_non_symmetric_jk_density("Second-order SCF")
# sort out cast_up settings. no need to stash these since only read, never reset
cast = False
if core.has_option_changed('SCF', 'BASIS_GUESS'):
cast = core.get_option('SCF', 'BASIS_GUESS')
if p4util.yes.match(str(cast)):
cast = True
elif p4util.no.match(str(cast)):
cast = False
if cast:
# A use can set "BASIS_GUESS" to True and we default to 3-21G
if cast is True:
guessbasis = '3-21G'
else:
guessbasis = cast
core.set_global_option('BASIS', guessbasis)
castdf = core.get_option('SCF', 'SCF_TYPE') == 'DF'
if core.has_option_changed('SCF', 'DF_BASIS_GUESS'):
castdf = core.get_option('SCF', 'DF_BASIS_GUESS')
if p4util.yes.match(str(castdf)):
castdf = True
elif p4util.no.match(str(castdf)):
castdf = False
if castdf:
core.set_local_option('SCF', 'SCF_TYPE', 'DF')
core.set_local_option('SCF', 'DF_INTS_IO', 'none')
# Figure out the fitting basis set
if castdf is True:
core.set_global_option('DF_BASIS_SCF', '')
elif isinstance(castdf, (unicode, str)):
core.set_global_option('DF_BASIS_SCF', castdf)
else:
raise ValidationError("Unexpected castdf option (%s)." % castdf)
# Switch to the guess namespace
namespace = core.IO.get_default_namespace()
guesspace = namespace + '.guess'
if namespace == '':
guesspace = 'guess'
core.IO.set_default_namespace(guesspace)
# Print some info about the guess
core.print_out('\n')
p4util.banner('Guess SCF, %s Basis' % (guessbasis))
core.print_out('\n')
# sort out broken_symmetry settings.
if 'brokensymmetry' in kwargs:
multp = scf_molecule.multiplicity()
if multp != 1:
raise ValidationError('Broken symmetry is only for singlets.')
if core.get_option('SCF', 'REFERENCE') not in ['UHF', 'UKS']:
raise ValidationError("""You must specify 'set reference uhf' to use broken symmetry.""")
do_broken = True
else:
do_broken = False
if cast and read_orbitals:
raise ValidationError("""Detected options to both cast and read orbitals""")
if cast and do_broken:
raise ValidationError("""Detected options to both cast and perform a broken symmetry computation""")
# broken set-up
if do_broken:
raise ValidationError("""Broken symmetry computations are not currently enabled.""")
scf_molecule.set_multiplicity(3)
core.print_out('\n')
p4util.banner(' Computing high-spin triplet guess ')
core.print_out('\n')
# If we force c1 copy the active molecule
if use_c1:
scf_molecule.update_geometry()
if scf_molecule.schoenflies_symbol() != 'c1':
core.print_out(""" A requested method does not make use of molecular symmetry: """
"""further calculations in C1 point group.\n""")
scf_molecule = scf_molecule.clone()
scf_molecule.reset_point_group('c1')
scf_molecule.fix_orientation(True)
scf_molecule.fix_com(True)
scf_molecule.update_geometry()
# If GUESS is auto guess what it should be
if core.get_option('SCF', 'GUESS') == "AUTO":
if (core.get_option('SCF', 'REFERENCE') in ['RHF', 'RKS']) and \
((scf_molecule.natom() > 1) or core.get_option('SCF', 'SAD_FRAC_OCC')):
core.set_local_option('SCF', 'GUESS', 'SAD')
elif core.get_option('SCF', 'REFERENCE') in ['ROHF', 'ROKS', 'UHF', 'UKS']:
core.set_local_option('SCF', 'GUESS', 'GWH')
else:
core.set_local_option('SCF', 'GUESS', 'CORE')
if core.get_global_option('BASIS') == '':
if name == 'hf3c':
core.set_global_option('BASIS', 'minix')
elif name == 'pbeh3c':
core.set_global_option('BASIS', 'def2-msvp')
# the FIRST scf call
if cast or do_broken:
# Cast or broken are special cases
base_wfn = core.Wavefunction.build(scf_molecule, core.get_global_option('BASIS'))
ref_wfn = scf_wavefunction_factory(core.get_option('SCF', 'REFERENCE'), base_wfn)
core.set_legacy_wavefunction(ref_wfn)
# Compute dftd3
if "_disp_functor" in dir(ref_wfn):
disp_energy = ref_wfn._disp_functor.compute_energy(ref_wfn.molecule())
ref_wfn.set_variables("-D Energy", disp_energy)
ref_wfn.compute_energy()
# broken clean-up
if do_broken:
raise ValidationError("Broken Symmetry computations are temporarily disabled.")
scf_molecule.set_multiplicity(1)
core.set_local_option('SCF', 'GUESS', 'READ')
core.print_out('\n')
p4util.banner(' Computing broken symmetry solution from high-spin triplet guess ')
core.print_out('\n')
# cast clean-up
if cast:
# Move files to proper namespace
core.IO.change_file_namespace(180, guesspace, namespace)
core.IO.set_default_namespace(namespace)
# Set to read and project, and reset bases to final ones
optstash2.restore()
core.set_local_option('SCF', 'GUESS', 'READ')
# Print the banner for the standard operation
core.print_out('\n')
p4util.banner(name.upper())
core.print_out('\n')
# EFP preparation
efp = core.get_active_efp()
if efp.nfragments() > 0:
core.set_legacy_molecule(scf_molecule)
core.set_global_option('QMEFP', True) # apt to go haywire if set locally to efp
core.efp_set_options()
efp.set_qm_atoms()
efp.print_out()
# the SECOND scf call
base_wfn = core.Wavefunction.build(scf_molecule, core.get_global_option('BASIS'))
scf_wfn = scf_wavefunction_factory(core.get_option('SCF', 'REFERENCE'), base_wfn)
core.set_legacy_wavefunction(scf_wfn)
fname = os.path.split(os.path.abspath(core.get_writer_file_prefix(scf_molecule.name())))[1]
read_filename = os.path.join(core.get_environment("PSI_SCRATCH"), fname + ".180.npz")
if (core.get_option('SCF', 'GUESS') == 'READ') and os.path.isfile(read_filename):
data = np.load(read_filename)
Ca_occ = core.Matrix.np_read(data, "Ca_occ")
Cb_occ = core.Matrix.np_read(data, "Cb_occ")
symmetry = str(data["symmetry"])
basis_name = str(data["BasisSet"])
if symmetry != scf_molecule.schoenflies_symbol():
raise ValidationError("Cannot compute projection of different symmetries.")
if basis_name == scf_wfn.basisset().name():
core.print_out(" Reading orbitals from file 180, no projection.\n\n")
scf_wfn.guess_Ca(Ca_occ)
scf_wfn.guess_Cb(Cb_occ)
else:
core.print_out(" Reading orbitals from file 180, projecting to new basis.\n\n")
puream = int(data["BasisSet PUREAM"])
if ".gbs" in basis_name:
basis_name = basis_name.split('/')[-1].replace('.gbs', '')
old_basis = core.BasisSet.build(scf_molecule, "ORBITAL", basis_name, puream=puream)
core.print_out(" Computing basis projection from %s to %s\n\n" % (basis_name, base_wfn.basisset().name()))
nalphapi = core.Dimension.from_list(data["nalphapi"])
nbetapi = core.Dimension.from_list(data["nbetapi"])
pCa = scf_wfn.basis_projection(Ca_occ, nalphapi, old_basis, base_wfn.basisset())
pCb = scf_wfn.basis_projection(Cb_occ, nbetapi, old_basis, base_wfn.basisset())
scf_wfn.guess_Ca(pCa)
scf_wfn.guess_Cb(pCb)
# Strip off headers to only get R, RO, U, CU
old_ref = str(data["reference"]).replace("KS", "").replace("HF", "")
new_ref = core.get_option('SCF', 'REFERENCE').replace("KS", "").replace("HF", "")
if old_ref != new_ref:
scf_wfn.reset_occ(True)
elif (core.get_option('SCF', 'GUESS') == 'READ') and not os.path.isfile(read_filename):
core.print_out(" Unable to find file 180, defaulting to SAD guess.\n")
core.set_local_option('SCF', 'GUESS', 'SAD')
sad_basis_list = core.BasisSet.build(scf_wfn.molecule(), "ORBITAL",
core.get_global_option("BASIS"),
puream=scf_wfn.basisset().has_puream(),
return_atomlist=True)
scf_wfn.set_sad_basissets(sad_basis_list)
if (core.get_option("SCF", "SAD_SCF_TYPE") == "DF"):
sad_fitting_list = core.BasisSet.build(scf_wfn.molecule(), "DF_BASIS_SAD",
core.get_option("SCF", "DF_BASIS_SAD"),
puream=scf_wfn.basisset().has_puream(),
return_atomlist=True)
scf_wfn.set_sad_fitting_basissets(sad_fitting_list)
if cast:
core.print_out("\n Computing basis projection from %s to %s\n\n" % (ref_wfn.basisset().name(), base_wfn.basisset().name()))
pCa = ref_wfn.basis_projection(ref_wfn.Ca(), ref_wfn.nalphapi(), ref_wfn.basisset(), scf_wfn.basisset())
pCb = ref_wfn.basis_projection(ref_wfn.Cb(), ref_wfn.nbetapi(), ref_wfn.basisset(), scf_wfn.basisset())
scf_wfn.guess_Ca(pCa)
scf_wfn.guess_Cb(pCb)
# Print basis set info
if core.get_option("SCF", "PRINT_BASIS"):
scf_wfn.basisset().print_detail_out()
# Compute dftd3
if "_disp_functor" in dir(scf_wfn):
disp_energy = scf_wfn._disp_functor.compute_energy(scf_wfn.molecule())
scf_wfn.set_variable("-D Energy", disp_energy)
e_scf = scf_wfn.compute_energy()
core.set_variable("SCF TOTAL ENERGY", e_scf)
core.set_variable("CURRENT ENERGY", e_scf)
core.set_variable("CURRENT REFERENCE ENERGY", e_scf)
# We always would like to print a little dipole information
if kwargs.get('scf_do_dipole', True):
oeprop = core.OEProp(scf_wfn)
oeprop.set_title("SCF")
oeprop.add("DIPOLE")
oeprop.compute()
core.set_variable("CURRENT DIPOLE X", core.get_variable("SCF DIPOLE X"))
core.set_variable("CURRENT DIPOLE Y", core.get_variable("SCF DIPOLE Y"))
core.set_variable("CURRENT DIPOLE Z", core.get_variable("SCF DIPOLE Z"))
# Write out MO's
if core.get_option("SCF", "PRINT_MOS"):
mowriter = core.MOWriter(scf_wfn)
mowriter.write()
# Write out a molden file
if core.get_option("SCF", "MOLDEN_WRITE"):
filename = core.get_writer_file_prefix(scf_molecule.name()) + ".molden"
dovirt = bool(core.get_option("SCF", "MOLDEN_WITH_VIRTUAL"))
occa = scf_wfn.occupation_a()
occb = scf_wfn.occupation_a()
mw = core.MoldenWriter(scf_wfn)
mw.write(filename, scf_wfn.Ca(), scf_wfn.Cb(), scf_wfn.epsilon_a(),
scf_wfn.epsilon_b(), scf_wfn.occupation_a(),
scf_wfn.occupation_b(), dovirt)
# Write out orbitals and basis
fname = os.path.split(os.path.abspath(core.get_writer_file_prefix(scf_molecule.name())))[1]
write_filename = os.path.join(core.get_environment("PSI_SCRATCH"), fname + ".180.npz")
data = {}
data.update(scf_wfn.Ca().np_write(None, prefix="Ca"))
data.update(scf_wfn.Cb().np_write(None, prefix="Cb"))
Ca_occ = scf_wfn.Ca_subset("SO", "OCC")
data.update(Ca_occ.np_write(None, prefix="Ca_occ"))
Cb_occ = scf_wfn.Cb_subset("SO", "OCC")
data.update(Cb_occ.np_write(None, prefix="Cb_occ"))
data["reference"] = core.get_option('SCF', 'REFERENCE')
data["nsoccpi"] = scf_wfn.soccpi().to_tuple()
data["ndoccpi"] = scf_wfn.doccpi().to_tuple()
data["nalphapi"] = scf_wfn.nalphapi().to_tuple()
data["nbetapi"] = scf_wfn.nbetapi().to_tuple()
data["symmetry"] = scf_molecule.schoenflies_symbol()
data["BasisSet"] = scf_wfn.basisset().name()
data["BasisSet PUREAM"] = scf_wfn.basisset().has_puream()
np.savez(write_filename, **data)
extras.register_numpy_file(write_filename)
if do_timer:
core.tstop()
optstash.restore()
return scf_wfn
def run_dcft(name, **kwargs):
"""Function encoding sequence of PSI module calls for
a density cumulant functional theory calculation.
"""
if (core.get_global_option('FREEZE_CORE') == 'TRUE'):
raise ValidationError('Frozen core is not available for DCFT.')
# Bypass the scf call if a reference wavefunction is given
ref_wfn = kwargs.get('ref_wfn', None)
if ref_wfn is None:
ref_wfn = scf_helper(name, **kwargs)
if (core.get_global_option("DCFT_TYPE") == "DF"):
aux_basis = core.BasisSet.build(ref_wfn.molecule(), "DF_BASIS_DCFT",
core.get_global_option("DF_BASIS_DCFT"),
"RIFIT", core.get_global_option("BASIS"))
ref_wfn.set_basisset("DF_BASIS_DCFT", aux_basis)
scf_aux_basis = core.BasisSet.build(ref_wfn.molecule(), "DF_BASIS_SCF",
core.get_option("SCF", "DF_BASIS_SCF"),
"JKFIT", core.get_global_option('BASIS'),
puream=ref_wfn.basisset().has_puream())
ref_wfn.set_basisset("DF_BASIS_SCF", scf_aux_basis)
# Ensure IWL files have been written
proc_util.check_iwl_file_from_scf_type(core.get_option('SCF', 'SCF_TYPE'), ref_wfn)
dcft_wfn = core.dcft(ref_wfn)
return dcft_wfn
def run_dcft_gradient(name, **kwargs):
"""Function encoding sequence of PSI module calls for
DCFT gradient calculation.
"""
optstash = p4util.OptionsState(
['GLOBALS', 'DERTYPE'])
core.set_global_option('DERTYPE', 'FIRST')
dcft_wfn = run_dcft(name, **kwargs)
derivobj = core.Deriv(dcft_wfn)
derivobj.set_tpdm_presorted(True)
grad = derivobj.compute()
dcft_wfn.set_gradient(grad)
optstash.restore()
return dcft_wfn
def run_dfocc(name, **kwargs):
"""Function encoding sequence of PSI module calls for
a density-fitted or Cholesky-decomposed
(non-)orbital-optimized MPN or CC computation.
"""
optstash = p4util.OptionsState(
['SCF', 'SCF_TYPE'],
['SCF', 'DF_INTS_IO'],
['DFOCC', 'WFN_TYPE'],
['DFOCC', 'ORB_OPT'],
['DFOCC', 'DO_SCS'],
['DFOCC', 'DO_SOS'],
['DFOCC', 'READ_SCF_3INDEX'],
['DFOCC', 'CHOLESKY'],
['DFOCC', 'CC_LAMBDA'])
def set_cholesky_from(mtd_type):
type_val = core.get_global_option(mtd_type)
if type_val == 'DF':
core.set_local_option('DFOCC', 'CHOLESKY', 'FALSE')
# Alter default algorithm
if not core.has_option_changed('SCF', 'SCF_TYPE'):
core.set_global_option('SCF_TYPE', 'DF')
core.print_out(""" SCF Algorithm Type (re)set to DF.\n""")
elif type_val == 'CD':
core.set_local_option('DFOCC', 'CHOLESKY', 'TRUE')
# Alter default algorithm
if not core.has_option_changed('SCF', 'SCF_TYPE'):
core.set_global_option('SCF_TYPE', 'CD')
core.print_out(""" SCF Algorithm Type (re)set to CD.\n""")
if core.get_option('SCF', 'SCF_TYPE') != 'CD':
core.set_local_option('DFOCC', 'READ_SCF_3INDEX', 'FALSE')
else:
raise ValidationError("""Invalid type '%s' for DFOCC""" % type_val)
if name in ['mp2', 'omp2']:
core.set_local_option('DFOCC', 'WFN_TYPE', 'DF-OMP2')
set_cholesky_from('MP2_TYPE')
elif name in ['mp2.5', 'omp2.5']:
core.set_local_option('DFOCC', 'WFN_TYPE', 'DF-OMP2.5')
set_cholesky_from('MP_TYPE')
elif name in ['mp3', 'omp3']:
core.set_local_option('DFOCC', 'WFN_TYPE', 'DF-OMP3')
set_cholesky_from('MP_TYPE')
elif name in ['lccd', 'olccd']:
core.set_local_option('DFOCC', 'WFN_TYPE', 'DF-OLCCD')
set_cholesky_from('CC_TYPE')
elif name == 'ccd':
core.set_local_option('DFOCC', 'WFN_TYPE', 'DF-CCD')
set_cholesky_from('CC_TYPE')
elif name == 'ccsd':
core.set_local_option('DFOCC', 'WFN_TYPE', 'DF-CCSD')
set_cholesky_from('CC_TYPE')
elif name == 'ccsd(t)':
core.set_local_option('DFOCC', 'WFN_TYPE', 'DF-CCSD(T)')
set_cholesky_from('CC_TYPE')
elif name == 'ccsd(at)':
core.set_local_option('DFOCC', 'CC_LAMBDA', 'TRUE')
core.set_local_option('DFOCC', 'WFN_TYPE', 'DF-CCSD(AT)')
set_cholesky_from('CC_TYPE')
elif name == 'dfocc':
pass
else:
raise ValidationError('Unidentified method %s' % (name))
# conventional vs. optimized orbitals
if name in ['mp2', 'mp2.5', 'mp3', 'lccd',
'ccd', 'ccsd', 'ccsd(t)', 'ccsd(at)']:
core.set_local_option('DFOCC', 'ORB_OPT', 'FALSE')
elif name in ['omp2', 'omp2.5', 'omp3', 'olccd']:
core.set_local_option('DFOCC', 'ORB_OPT', 'TRUE')
core.set_local_option('DFOCC', 'DO_SCS', 'FALSE')
core.set_local_option('DFOCC', 'DO_SOS', 'FALSE')
core.set_local_option('SCF', 'DF_INTS_IO', 'SAVE')
# Bypass the scf call if a reference wavefunction is given
ref_wfn = kwargs.get('ref_wfn', None)
if ref_wfn is None:
ref_wfn = scf_helper(name, use_c1=True, **kwargs) # C1 certified
else:
if ref_wfn.molecule().schoenflies_symbol() != 'c1':
raise ValidationError(""" DFOCC does not make use of molecular symmetry: """
"""reference wavefunction must be C1.\n""")
if not core.get_local_option("DFOCC", "CHOLESKY"):
scf_aux_basis = core.BasisSet.build(ref_wfn.molecule(), "DF_BASIS_SCF",
core.get_option("SCF", "DF_BASIS_SCF"),
"JKFIT", core.get_global_option('BASIS'),
puream=ref_wfn.basisset().has_puream())
ref_wfn.set_basisset("DF_BASIS_SCF", scf_aux_basis)
aux_basis = core.BasisSet.build(ref_wfn.molecule(), "DF_BASIS_CC",
core.get_global_option("DF_BASIS_CC"),
"RIFIT", core.get_global_option("BASIS"))
ref_wfn.set_basisset("DF_BASIS_CC", aux_basis)
if core.get_option('SCF', 'REFERENCE') == 'ROHF':
ref_wfn.semicanonicalize()
dfocc_wfn = core.dfocc(ref_wfn)
optstash.restore()
return dfocc_wfn
def run_dfocc_gradient(name, **kwargs):
"""Function encoding sequence of PSI module calls for
a density-fitted (non-)orbital-optimized MPN or CC computation.
"""
optstash = p4util.OptionsState(
['SCF', 'SCF_TYPE'],
['SCF', 'DF_INTS_IO'],
['REFERENCE'],
['DFOCC', 'WFN_TYPE'],
['DFOCC', 'ORB_OPT'],
['DFOCC', 'CC_LAMBDA'],
['GLOBALS', 'DERTYPE'])
# Alter default algorithm
if not core.has_option_changed('SCF', 'SCF_TYPE'):
core.set_global_option('SCF_TYPE', 'DF')
core.print_out(""" SCF Algorithm Type (re)set to DF.\n""")
if core.get_option('SCF', 'SCF_TYPE') != 'DF':
raise ValidationError('DFOCC gradients need DF-HF reference, for now.')
if name in ['mp2', 'omp2']:
core.set_local_option('DFOCC', 'WFN_TYPE', 'DF-OMP2')
elif name in ['mp2.5', 'omp2.5']:
core.set_local_option('DFOCC', 'WFN_TYPE', 'DF-OMP2.5')
elif name in ['mp3', 'omp3']:
core.set_local_option('DFOCC', 'WFN_TYPE', 'DF-OMP3')
elif name in ['lccd', 'olccd']:
core.set_local_option('DFOCC', 'WFN_TYPE', 'DF-OLCCD')
elif name in ['ccd']:
core.set_local_option('DFOCC', 'WFN_TYPE', 'DF-CCD')
core.set_local_option('DFOCC', 'CC_LAMBDA', 'TRUE')
elif name in ['ccsd']:
core.set_local_option('DFOCC', 'WFN_TYPE', 'DF-CCSD')
core.set_local_option('DFOCC', 'CC_LAMBDA', 'TRUE')
else:
raise ValidationError('Unidentified method %s' % (name))
if name in ['mp2', 'mp2.5', 'mp3', 'lccd', 'ccd', 'ccsd']:
core.set_local_option('DFOCC', 'ORB_OPT', 'FALSE')
elif name in ['omp2', 'omp2.5', 'omp3', 'olccd']:
core.set_local_option('DFOCC', 'ORB_OPT', 'TRUE')
core.set_global_option('DERTYPE', 'FIRST')
core.set_local_option('DFOCC', 'DO_SCS', 'FALSE')
core.set_local_option('DFOCC', 'DO_SOS', 'FALSE')
core.set_local_option('SCF', 'DF_INTS_IO', 'SAVE')
# Bypass the scf call if a reference wavefunction is given
ref_wfn = kwargs.get('ref_wfn', None)
if ref_wfn is None:
ref_wfn = scf_helper(name, use_c1=True, **kwargs) # C1 certified
else:
if ref_wfn.molecule().schoenflies_symbol() != 'c1':
raise ValidationError(""" DFOCC does not make use of molecular symmetry: """
"""reference wavefunction must be C1.\n""")
scf_aux_basis = core.BasisSet.build(ref_wfn.molecule(), "DF_BASIS_SCF",
core.get_option("SCF", "DF_BASIS_SCF"),
"JKFIT", core.get_global_option('BASIS'),
puream=ref_wfn.basisset().has_puream())
ref_wfn.set_basisset("DF_BASIS_SCF", scf_aux_basis)
aux_basis = core.BasisSet.build(ref_wfn.molecule(), "DF_BASIS_CC",
core.get_global_option("DF_BASIS_CC"),
"RIFIT", core.get_global_option("BASIS"))
ref_wfn.set_basisset("DF_BASIS_CC", aux_basis)
if core.get_option('SCF', 'REFERENCE') == 'ROHF':
ref_wfn.semicanonicalize()
dfocc_wfn = core.dfocc(ref_wfn)
optstash.restore()
return dfocc_wfn
def run_dfocc_property(name, **kwargs):
"""Function encoding sequence of PSI module calls for
a density-fitted (non-)orbital-optimized MPN or CC computation.
"""
optstash = p4util.OptionsState(
['SCF', 'SCF_TYPE'],
['SCF', 'DF_INTS_IO'],
['DFOCC', 'WFN_TYPE'],
['DFOCC', 'ORB_OPT'],
['DFOCC', 'OEPROP'])
if name in ['mp2', 'omp2']:
core.set_local_option('DFOCC', 'WFN_TYPE', 'DF-OMP2')
else:
raise ValidationError('Unidentified method ' % (name))
# Alter default algorithm
if not core.has_option_changed('SCF', 'SCF_TYPE'):
core.set_global_option('SCF_TYPE', 'DF')
core.print_out(""" SCF Algorithm Type (re)set to DF.\n""")
if core.get_option('SCF', 'SCF_TYPE') != 'DF':
raise ValidationError('DFOCC gradients need DF-HF reference, for now.')
if name in ['mp2']:
core.set_local_option('DFOCC', 'ORB_OPT', 'FALSE')
elif name in ['omp2']:
core.set_local_option('DFOCC', 'ORB_OPT', 'TRUE')
core.set_local_option('DFOCC', 'OEPROP', 'TRUE')
core.set_local_option('DFOCC', 'DO_SCS', 'FALSE')
core.set_local_option('DFOCC', 'DO_SOS', 'FALSE')
core.set_local_option('SCF', 'DF_INTS_IO', 'SAVE')
# Bypass the scf call if a reference wavefunction is given
ref_wfn = kwargs.get('ref_wfn', None)
if ref_wfn is None:
ref_wfn = scf_helper(name, use_c1=True, **kwargs) # C1 certified
else:
if ref_wfn.molecule().schoenflies_symbol() != 'c1':
raise ValidationError(""" DFOCC does not make use of molecular symmetry: """
"""reference wavefunction must be C1.\n""")
scf_aux_basis = core.BasisSet.build(ref_wfn.molecule(), "DF_BASIS_SCF",
core.get_option("SCF", "DF_BASIS_SCF"),
"JKFIT", core.get_global_option('BASIS'),
puream=ref_wfn.basisset().has_puream())
ref_wfn.set_basisset("DF_BASIS_SCF", scf_aux_basis)
aux_basis = core.BasisSet.build(ref_wfn.molecule(), "DF_BASIS_CC",
core.get_global_option("DF_BASIS_CC"),
"RIFIT", core.get_global_option("BASIS"))
ref_wfn.set_basisset("DF_BASIS_CC", aux_basis)
if core.get_option('SCF', 'REFERENCE') == 'ROHF':
ref_wfn.semicanonicalize()
dfocc_wfn = core.dfocc(ref_wfn)
optstash.restore()
return dfocc_wfn
def run_qchf(name, **kwargs):
"""Function encoding sequence of PSI module calls for
an density-fitted orbital-optimized MP2 computation
"""
optstash = p4util.OptionsState(
['SCF', 'DF_INTS_IO'],
['DF_BASIS_SCF'],
['DIE_IF_NOT_CONVERGED'],
['MAXITER'],
['DFOCC', 'ORB_OPT'],
['DFOCC', 'WFN_TYPE'],
['DFOCC', 'QCHF'],
['DFOCC', 'E_CONVERGENCE'])
core.set_local_option('DFOCC', 'ORB_OPT', 'TRUE')
core.set_local_option('DFOCC', 'WFN_TYPE', 'QCHF')
core.set_local_option('DFOCC', 'QCHF', 'TRUE')
core.set_local_option('DFOCC', 'E_CONVERGENCE', 8)
core.set_local_option('SCF', 'DF_INTS_IO', 'SAVE')
core.set_local_option('SCF', 'DIE_IF_NOT_CONVERGED', 'FALSE')
core.set_local_option('SCF', 'MAXITER', 1)
# Bypass the scf call if a reference wavefunction is given
ref_wfn = kwargs.get('ref_wfn', None)
if ref_wfn is None:
ref_wfn = scf_helper(name, use_c1=True, **kwargs) # C1 certified
else:
if ref_wfn.molecule().schoenflies_symbol() != 'c1':
raise ValidationError(""" QCHF does not make use of molecular symmetry: """
"""reference wavefunction must be C1.\n""")
if core.get_option('SCF', 'REFERENCE') == 'ROHF':
ref_wfn.semicanonicalize()
dfocc_wfn = core.dfocc(ref_wfn)
return dfocc_wfn
def run_occ(name, **kwargs):
"""Function encoding sequence of PSI module calls for
a conventional integral (O)MPN computation
"""
optstash = p4util.OptionsState(
['OCC', 'SCS_TYPE'],
['OCC', 'DO_SCS'],
['OCC', 'SOS_TYPE'],
['OCC', 'DO_SOS'],
['OCC', 'ORB_OPT'],
['OCC', 'WFN_TYPE'])
if name == 'mp2':
core.set_local_option('OCC', 'WFN_TYPE', 'OMP2')
core.set_local_option('OCC', 'ORB_OPT', 'FALSE')
core.set_local_option('OCC', 'DO_SCS', 'FALSE')
core.set_local_option('OCC', 'DO_SOS', 'FALSE')
elif name == 'omp2':
core.set_local_option('OCC', 'WFN_TYPE', 'OMP2')
core.set_local_option('OCC', 'ORB_OPT', 'TRUE')
core.set_local_option('OCC', 'DO_SCS', 'FALSE')
core.set_local_option('OCC', 'DO_SOS', 'FALSE')
elif name == 'scs-omp2':
core.set_local_option('OCC', 'WFN_TYPE', 'OMP2')
core.set_local_option('OCC', 'ORB_OPT', 'TRUE')
core.set_local_option('OCC', 'DO_SCS', 'TRUE')
core.set_local_option('OCC', 'SCS_TYPE', 'SCS')
elif name == 'scs(n)-omp2':
core.set_local_option('OCC', 'WFN_TYPE', 'OMP2')
core.set_local_option('OCC', 'ORB_OPT', 'TRUE')
core.set_local_option('OCC', 'DO_SCS', 'TRUE')
core.set_local_option('OCC', 'SCS_TYPE', 'SCSN')
elif name == 'scs-omp2-vdw':
core.set_local_option('OCC', 'WFN_TYPE', 'OMP2')
core.set_local_option('OCC', 'ORB_OPT', 'TRUE')
core.set_local_option('OCC', 'DO_SCS', 'TRUE')
core.set_local_option('OCC', 'SCS_TYPE', 'SCSVDW')
elif name == 'sos-omp2':
core.set_local_option('OCC', 'WFN_TYPE', 'OMP2')
core.set_local_option('OCC', 'ORB_OPT', 'TRUE')
core.set_local_option('OCC', 'DO_SOS', 'TRUE')
core.set_local_option('OCC', 'SOS_TYPE', 'SOS')
elif name == 'sos-pi-omp2':
core.set_local_option('OCC', 'WFN_TYPE', 'OMP2')
core.set_local_option('OCC', 'ORB_OPT', 'TRUE')
core.set_local_option('OCC', 'DO_SOS', 'TRUE')
core.set_local_option('OCC', 'SOS_TYPE', 'SOSPI')
elif name == 'mp2.5':
core.set_local_option('OCC', 'WFN_TYPE', 'OMP2.5')
core.set_local_option('OCC', 'ORB_OPT', 'FALSE')
core.set_local_option('OCC', 'DO_SCS', 'FALSE')
core.set_local_option('OCC', 'DO_SOS', 'FALSE')
elif name == 'omp2.5':
core.set_local_option('OCC', 'WFN_TYPE', 'OMP2.5')
core.set_local_option('OCC', 'ORB_OPT', 'TRUE')
core.set_local_option('OCC', 'DO_SCS', 'FALSE')
core.set_local_option('OCC', 'DO_SOS', 'FALSE')
elif name == 'mp3':
core.set_local_option('OCC', 'WFN_TYPE', 'OMP3')
core.set_local_option('OCC', 'ORB_OPT', 'FALSE')
core.set_local_option('OCC', 'DO_SCS', 'FALSE')
core.set_local_option('OCC', 'DO_SOS', 'FALSE')
elif name == 'omp3':
core.set_local_option('OCC', 'WFN_TYPE', 'OMP3')
core.set_local_option('OCC', 'ORB_OPT', 'TRUE')
core.set_local_option('OCC', 'DO_SCS', 'FALSE')
core.set_local_option('OCC', 'DO_SOS', 'FALSE')
elif name == 'scs-omp3':
core.set_local_option('OCC', 'WFN_TYPE', 'OMP3')
core.set_local_option('OCC', 'ORB_OPT', 'TRUE')
core.set_local_option('OCC', 'DO_SCS', 'TRUE')
core.set_local_option('OCC', 'SCS_TYPE', 'SCS')
elif name == 'scs(n)-omp3':
core.set_local_option('OCC', 'WFN_TYPE', 'OMP3')
core.set_local_option('OCC', 'ORB_OPT', 'TRUE')
core.set_local_option('OCC', 'DO_SCS', 'TRUE')
core.set_local_option('OCC', 'SCS_TYPE', 'SCSN')
elif name == 'scs-omp3-vdw':
core.set_local_option('OCC', 'WFN_TYPE', 'OMP3')
core.set_local_option('OCC', 'ORB_OPT', 'TRUE')
core.set_local_option('OCC', 'DO_SCS', 'TRUE')
core.set_local_option('OCC', 'SCS_TYPE', 'SCSVDW')
elif name == 'sos-omp3':
core.set_local_option('OCC', 'WFN_TYPE', 'OMP3')
core.set_local_option('OCC', 'ORB_OPT', 'TRUE')
core.set_local_option('OCC', 'DO_SOS', 'TRUE')
core.set_local_option('OCC', 'SOS_TYPE', 'SOS')
elif name == 'sos-pi-omp3':
core.set_local_option('OCC', 'WFN_TYPE', 'OMP3')
core.set_local_option('OCC', 'ORB_OPT', 'TRUE')
core.set_local_option('OCC', 'DO_SOS', 'TRUE')
core.set_local_option('OCC', 'SOS_TYPE', 'SOSPI')
elif name == 'lccd':
core.set_local_option('OCC', 'WFN_TYPE', 'OCEPA')
core.set_local_option('OCC', 'ORB_OPT', 'FALSE')
core.set_local_option('OCC', 'DO_SCS', 'FALSE')
core.set_local_option('OCC', 'DO_SOS', 'FALSE')
elif name == 'olccd':
core.set_local_option('OCC', 'WFN_TYPE', 'OCEPA')
core.set_local_option('OCC', 'ORB_OPT', 'TRUE')
core.set_local_option('OCC', 'DO_SCS', 'FALSE')
core.set_local_option('OCC', 'DO_SOS', 'FALSE')
else:
raise ValidationError("""Invalid method %s""" % name)
# Bypass the scf call if a reference wavefunction is given
ref_wfn = kwargs.get('ref_wfn', None)
if ref_wfn is None:
ref_wfn = scf_helper(name, **kwargs) # C1 certified
# Ensure IWL files have been written
proc_util.check_iwl_file_from_scf_type(core.get_option('SCF', 'SCF_TYPE'), ref_wfn)
if core.get_option('SCF', 'REFERENCE') == 'ROHF':
ref_wfn.semicanonicalize()
occ_wfn = core.occ(ref_wfn)
optstash.restore()
return occ_wfn
def run_occ_gradient(name, **kwargs):
"""Function encoding sequence of PSI module calls for
a conventional integral (O)MPN computation
"""
optstash = p4util.OptionsState(
['OCC', 'ORB_OPT'],
['OCC', 'WFN_TYPE'],
['OCC', 'DO_SCS'],
['OCC', 'DO_SOS'],
['GLOBALS', 'DERTYPE'])
if name == 'mp2':
core.set_local_option('OCC', 'WFN_TYPE', 'OMP2')
core.set_local_option('OCC', 'ORB_OPT', 'FALSE')
elif name in ['omp2', 'conv-omp2']:
core.set_local_option('OCC', 'WFN_TYPE', 'OMP2')
core.set_local_option('OCC', 'ORB_OPT', 'TRUE')
elif name == 'mp2.5':
core.set_local_option('OCC', 'WFN_TYPE', 'OMP2.5')
core.set_local_option('OCC', 'ORB_OPT', 'FALSE')
elif name == 'omp2.5':
core.set_local_option('OCC', 'WFN_TYPE', 'OMP2.5')
core.set_local_option('OCC', 'ORB_OPT', 'TRUE')
elif name == 'mp3':
core.set_local_option('OCC', 'WFN_TYPE', 'OMP3')
core.set_local_option('OCC', 'ORB_OPT', 'FALSE')
elif name == 'omp3':
core.set_local_option('OCC', 'WFN_TYPE', 'OMP3')
core.set_local_option('OCC', 'ORB_OPT', 'TRUE')
elif name == 'lccd':
core.set_local_option('OCC', 'WFN_TYPE', 'OCEPA')
core.set_local_option('OCC', 'ORB_OPT', 'FALSE')
elif name == 'olccd':
core.set_local_option('OCC', 'WFN_TYPE', 'OCEPA')
core.set_local_option('OCC', 'ORB_OPT', 'TRUE')
else:
raise ValidationError("""Invalid method %s""" % name)
core.set_global_option('DERTYPE', 'FIRST')
# locking out SCS through explicit keyword setting
# * so that current energy must match call
# * since grads not avail for scs
core.set_local_option('OCC', 'DO_SCS', 'FALSE')
core.set_local_option('OCC', 'DO_SOS', 'FALSE')
# Bypass the scf call if a reference wavefunction is given
ref_wfn = kwargs.get('ref_wfn', None)
if ref_wfn is None:
ref_wfn = scf_helper(name, **kwargs) # C1 certified
# Ensure IWL files have been written
proc_util.check_iwl_file_from_scf_type(core.get_option('SCF', 'SCF_TYPE'), ref_wfn)
if core.get_option('SCF', 'REFERENCE') == 'ROHF':
ref_wfn.semicanonicalize()
occ_wfn = core.occ(ref_wfn)
derivobj = core.Deriv(occ_wfn)
grad = derivobj.compute()
occ_wfn.set_gradient(grad)
optstash.restore()
return occ_wfn
def run_scf(name, **kwargs):
"""Function encoding sequence of PSI module calls for
a self-consistent-field theory (HF & DFT) calculation.
"""
optstash = proc_util.scf_set_reference_local(name)
scf_wfn = scf_helper(name, **kwargs)
optstash.restore()
return scf_wfn
def run_scf_gradient(name, **kwargs):
"""Function encoding sequence of PSI module calls for
a SCF gradient calculation.
"""
optstash = proc_util.scf_set_reference_local(name)
# Bypass the scf call if a reference wavefunction is given
ref_wfn = kwargs.get('ref_wfn', None)
if ref_wfn is None:
ref_wfn = run_scf(name, **kwargs)
if core.get_option('SCF', 'REFERENCE') in ['ROHF', 'CUHF']:
ref_wfn.semicanonicalize()
if "_disp_functor" in dir(ref_wfn):
disp_grad = ref_wfn._disp_functor.compute_gradient(ref_wfn.molecule())
ref_wfn.set_array("-D Gradient", disp_grad)
grad = core.scfgrad(ref_wfn)
ref_wfn.set_gradient(grad)
optstash.restore()
return ref_wfn
def run_scf_hessian(name, **kwargs):
"""Function encoding sequence of PSI module calls for
an SCF hessian calculation.
"""
optstash = proc_util.scf_set_reference_local(name)
# Bypass the scf call if a reference wavefunction is given
ref_wfn = kwargs.get('ref_wfn', None)
if ref_wfn is None:
ref_wfn = run_scf(name, **kwargs)
badref = core.get_option('SCF', 'REFERENCE') in ['UHF', 'ROHF', 'CUHF', 'RKS', 'UKS']
badint = core.get_option('SCF', 'SCF_TYPE') in [ 'CD', 'OUT_OF_CORE']
if badref or badint:
raise ValidationError("Only RHF Hessians are currently implemented. SCF_TYPE either CD or OUT_OF_CORE not supported")
H = core.scfhess(ref_wfn)
ref_wfn.set_hessian(H)
# Temporary freq code. To be replaced with proper frequency analysis later...
import numpy as np
mol = ref_wfn.molecule()
natoms = mol.natom()
masses = np.zeros(natoms)
for atom in range(natoms):
masses[atom] = mol.mass(atom)
m = np.repeat( np.divide(1.0, np.sqrt(masses)), 3)
mwhess = np.einsum('i,ij,j->ij', m, H, m)
# Are we linear?
if mol.get_full_point_group() in [ "C_inf_v", "D_inf_h" ]:
nexternal = 5
else:
nexternal = 6
fcscale = constants.hartree2J / (constants.bohr2m * constants.bohr2m * constants.amu2kg);
fc = fcscale * np.linalg.eigvalsh(mwhess)
# Sort by magnitude of the force constants, to project out rot/vib
ordering = np.argsort(np.abs(fc))
projected = fc[ordering][nexternal:]
freqs = np.sqrt(np.abs(projected))
freqs *= 1.0 / (2.0 * np.pi * constants.c * 100.0)
freqs[projected < 0] *= -1
freqs.sort()
freqvec = core.Vector.from_array(freqs)
ref_wfn.set_frequencies(freqvec)
# End of temporary freq hack. Remove me later!
# Write Hessian out. This probably needs a more permanent home, too.
# This is a drop-in replacement for the code that lives in findif
if core.get_option('FINDIF', 'HESSIAN_WRITE'):
molname = ref_wfn.molecule().name()
prefix = core.get_writer_file_prefix(molname)
with open(prefix+".hess", 'w') as fp:
fp.write("%5d%5d\n" % (natoms, 6*natoms))
for row in np.reshape(H, (-1, 3)):
fp.write("%20.10f%20.10f%20.10f\n" % tuple(row))
optstash.restore()
return ref_wfn
def run_libfock(name, **kwargs):
"""Function encoding sequence of PSI module calls for
a calculation through libfock, namely RCPHF,
RCIS, RTDHF, RTDA, and RTDDFT.
"""
if name == 'cphf':
core.set_global_option('MODULE', 'RCPHF')
if name == 'cis':
core.set_global_option('MODULE', 'RCIS')
if name == 'tdhf':
core.set_global_option('MODULE', 'RTDHF')
if name == 'cpks':
core.set_global_option('MODULE', 'RCPKS')
if name == 'tda':
core.set_global_option('MODULE', 'RTDA')
if name == 'tddft':
core.set_global_option('MODULE', 'RTDDFT')
# Bypass the scf call if a reference wavefunction is given
ref_wfn = kwargs.get('ref_wfn', None)
if ref_wfn is None:
ref_wfn = scf_helper(name, **kwargs)
libfock_wfn = core.libfock(ref_wfn)
libfock_wfn.compute_energy()
return libfock_wfn
def run_mcscf(name, **kwargs):
"""Function encoding sequence of PSI module calls for
a multiconfigurational self-consistent-field calculation.
"""
# Make sure the molecule the user provided is the active one
mcscf_molecule = kwargs.get('molecule', core.get_active_molecule())
mcscf_molecule.update_geometry()
if 'ref_wfn' in kwargs:
raise ValidationError("It is not possible to pass run_mcscf a reference wavefunction")
new_wfn = core.Wavefunction.build(mcscf_molecule, core.get_global_option('BASIS'))
return core.mcscf(new_wfn)
def run_dfmp2_gradient(name, **kwargs):
"""Function encoding sequence of PSI module calls for
a DFMP2 gradient calculation.
"""
core.tstart()
optstash = p4util.OptionsState(
['DF_BASIS_SCF'],
['DF_BASIS_MP2'],
['SCF_TYPE']) # yes, this really must be global, not local to SCF
# Alter default algorithm
if not core.has_option_changed('SCF', 'SCF_TYPE'):
core.set_global_option('SCF_TYPE', 'DF')
core.print_out(""" SCF Algorithm Type (re)set to DF.\n""")
if core.get_option('SCF', 'SCF_TYPE') != 'DF':
raise ValidationError('DF-MP2 gradients need DF-SCF reference.')
# Bypass the scf call if a reference wavefunction is given
ref_wfn = kwargs.get('ref_wfn', None)
if ref_wfn is None:
ref_wfn = scf_helper(name, **kwargs) # C1 certified
core.print_out('\n')
p4util.banner('DFMP2')
core.print_out('\n')
aux_basis = core.BasisSet.build(ref_wfn.molecule(), "DF_BASIS_MP2",
core.get_option("DFMP2", "DF_BASIS_MP2"),
"RIFIT", core.get_global_option('BASIS'))
ref_wfn.set_basisset("DF_BASIS_MP2", aux_basis)
dfmp2_wfn = core.dfmp2(ref_wfn)
grad = dfmp2_wfn.compute_gradient()
dfmp2_wfn.set_gradient(grad)
optstash.restore()
core.tstop()
return dfmp2_wfn
def run_ccenergy(name, **kwargs):
"""Function encoding sequence of PSI module calls for
a CCSD, CC2, and CC3 calculation.
"""
optstash = p4util.OptionsState(
['TRANSQT2', 'WFN'],
['CCSORT', 'WFN'],
['CCENERGY', 'WFN'])
if name == 'ccsd':
core.set_local_option('TRANSQT2', 'WFN', 'CCSD')
core.set_local_option('CCSORT', 'WFN', 'CCSD')
core.set_local_option('CCTRANSORT', 'WFN', 'CCSD')
core.set_local_option('CCENERGY', 'WFN', 'CCSD')
elif name == 'ccsd(t)':
core.set_local_option('TRANSQT2', 'WFN', 'CCSD_T')
core.set_local_option('CCSORT', 'WFN', 'CCSD_T')
core.set_local_option('CCTRANSORT', 'WFN', 'CCSD_T')
core.set_local_option('CCENERGY', 'WFN', 'CCSD_T')
elif name == 'ccsd(at)':
core.set_local_option('TRANSQT2', 'WFN', 'CCSD_AT')
core.set_local_option('CCSORT', 'WFN', 'CCSD_AT')
core.set_local_option('CCTRANSORT', 'WFN', 'CCSD_AT')
core.set_local_option('CCENERGY', 'WFN', 'CCSD_AT')
core.set_local_option('CCHBAR', 'WFN', 'CCSD_AT')
core.set_local_option('CCLAMBDA', 'WFN', 'CCSD_AT')
elif name == 'cc2':
core.set_local_option('TRANSQT2', 'WFN', 'CC2')
core.set_local_option('CCSORT', 'WFN', 'CC2')
core.set_local_option('CCTRANSORT', 'WFN', 'CC2')
core.set_local_option('CCENERGY', 'WFN', 'CC2')
elif name == 'cc3':
core.set_local_option('TRANSQT2', 'WFN', 'CC3')
core.set_local_option('CCSORT', 'WFN', 'CC3')
core.set_local_option('CCTRANSORT', 'WFN', 'CC3')
core.set_local_option('CCENERGY', 'WFN', 'CC3')
elif name == 'eom-cc2':
core.set_local_option('TRANSQT2', 'WFN', 'EOM_CC2')
core.set_local_option('CCSORT', 'WFN', 'EOM_CC2')
core.set_local_option('CCTRANSORT', 'WFN', 'EOM_CC2')
core.set_local_option('CCENERGY', 'WFN', 'EOM_CC2')
elif name == 'eom-ccsd':
core.set_local_option('TRANSQT2', 'WFN', 'EOM_CCSD')
core.set_local_option('CCSORT', 'WFN', 'EOM_CCSD')
core.set_local_option('CCTRANSORT', 'WFN', 'EOM_CCSD')
core.set_local_option('CCENERGY', 'WFN', 'EOM_CCSD')
# Call a plain energy('ccenergy') and have full control over options, incl. wfn
elif name == 'ccenergy':
pass
# Bypass routine scf if user did something special to get it to converge
ref_wfn = kwargs.get('ref_wfn', None)
if ref_wfn is None:
ref_wfn = scf_helper(name, **kwargs) # C1 certified
if core.get_global_option("CC_TYPE") == "DF":
aux_basis = core.BasisSet.build(ref_wfn.molecule(), "DF_BASIS_CC",
core.get_global_option("DF_BASIS_CC"),
"RIFIT", core.get_global_option("BASIS"))
wfn.set_basisset("DF_BASIS_CC", aux_basis)
# Ensure IWL files have been written
proc_util.check_iwl_file_from_scf_type(core.get_option('SCF', 'SCF_TYPE'), ref_wfn)
# Obtain semicanonical orbitals
if (core.get_option('SCF', 'REFERENCE') == 'ROHF') and \
((name in ['ccsd(t)', 'ccsd(at)', 'cc2', 'cc3', 'eom-cc2', 'eom-cc3']) or
core.get_option('CCTRANSORT', 'SEMICANONICAL')):
ref_wfn.semicanonicalize()
if core.get_global_option('RUN_CCTRANSORT'):
core.cctransort(ref_wfn)
else:
try:
from psi4.driver.pasture import addins
addins.ccsort_transqt2(ref_wfn)
except:
raise PastureRequiredError("RUN_CCTRANSORT")
ccwfn = core.ccenergy(ref_wfn)
if name == 'ccsd(at)':
core.cchbar(ref_wfn)
core.cclambda(ref_wfn)
optstash.restore()
return ccwfn
def run_ccenergy_gradient(name, **kwargs):
"""Function encoding sequence of PSI module calls for
a CCSD and CCSD(T) gradient calculation.
"""
optstash = p4util.OptionsState(
['GLOBALS', 'DERTYPE'],
['CCLAMBDA', 'WFN'],
['CCDENSITY', 'WFN'])
core.set_global_option('DERTYPE', 'FIRST')
if core.get_global_option('FREEZE_CORE') == 'TRUE':
raise ValidationError('Frozen core is not available for the CC gradients.')
ccwfn = run_ccenergy(name, **kwargs)
if name == 'cc2':
core.set_local_option('CCHBAR', 'WFN', 'CC2')
core.set_local_option('CCLAMBDA', 'WFN', 'CC2')
core.set_local_option('CCDENSITY', 'WFN', 'CC2')
if name == 'ccsd':
core.set_local_option('CCLAMBDA', 'WFN', 'CCSD')
core.set_local_option('CCDENSITY', 'WFN', 'CCSD')
elif name == 'ccsd(t)':
core.set_local_option('CCLAMBDA', 'WFN', 'CCSD_T')
core.set_local_option('CCDENSITY', 'WFN', 'CCSD_T')
core.cchbar(ccwfn)
core.cclambda(ccwfn)
core.ccdensity(ccwfn)
derivobj = core.Deriv(ccwfn)
grad = derivobj.compute()
del derivobj
ccwfn.set_gradient(grad)
optstash.restore()
return ccwfn
def run_bccd(name, **kwargs):
"""Function encoding sequence of PSI module calls for
a Brueckner CCD calculation.
"""
optstash = p4util.OptionsState(
['TRANSQT2', 'WFN'],
['CCSORT', 'WFN'],
['CCENERGY', 'WFN'])
if name == 'bccd':
core.set_local_option('TRANSQT2', 'WFN', 'BCCD')
core.set_local_option('CCSORT', 'WFN', 'BCCD')
core.set_local_option('CCTRANSORT', 'WFN', 'BCCD')
core.set_local_option('CCENERGY', 'WFN', 'BCCD')
elif name == 'bccd(t)':
core.set_local_option('TRANSQT2', 'WFN', 'BCCD_T')
core.set_local_option('CCSORT', 'WFN', 'BCCD_T')
core.set_local_option('CCENERGY', 'WFN', 'BCCD_T')
core.set_local_option('CCTRANSORT', 'WFN', 'BCCD_T')
core.set_local_option('CCTRIPLES', 'WFN', 'BCCD_T')
else:
raise ValidationError("proc.py:run_bccd name %s not recognized" % name)
# Bypass routine scf if user did something special to get it to converge
ref_wfn = kwargs.get('ref_wfn', None)
if ref_wfn is None:
ref_wfn = scf_helper(name, **kwargs) # C1 certified
# Needed for (T).
if (core.get_option('SCF', 'REFERENCE') == 'ROHF'):
ref_wfn.semicanonicalize()
# Ensure IWL files have been written
proc_util.check_iwl_file_from_scf_type(core.get_option('SCF', 'SCF_TYPE'), ref_wfn)
core.set_local_option('CCTRANSORT', 'DELETE_TEI', 'false')
bcc_iter_cnt = 0
if (core.get_global_option("RUN_CCTRANSORT")):
sort_func = core.cctransort
else:
try:
from psi4.driver.pasture import addins
core.set_local_option('TRANSQT2', 'DELETE_TEI', 'false')
sort_func = addins.ccsort_transqt2
except:
raise PastureRequiredError("RUN_CCTRANSORT")
while True:
sort_func(ref_wfn)
ref_wfn = core.ccenergy(ref_wfn)
core.print_out('Brueckner convergence check: %s\n' % bool(core.get_variable('BRUECKNER CONVERGED')))
if (core.get_variable('BRUECKNER CONVERGED') == True):
break
if bcc_iter_cnt >= core.get_option('CCENERGY', 'BCCD_MAXITER'):
core.print_out("\n\nWarning! BCCD did not converge within the maximum number of iterations.")
core.print_out("You can increase the number of BCCD iterations by changing BCCD_MAXITER.\n\n")
break
bcc_iter_cnt += 1
if name == 'bccd(t)':
core.cctriples(ref_wfn)
optstash.restore()
return ref_wfn
def run_dft_property(name, **kwargs):
"""Function encoding sequence of PSI module calls for
DFT calculations. This is a simple alias to :py:func:`~proc.run_scf`
since DFT properties all handled through oeprop.
"""
core.tstart()
optstash = proc_util.dft_set_reference_local(name)
properties = kwargs.pop('properties')
proc_util.oeprop_validator(properties)
scf_wfn = run_scf(name, scf_do_dipole=False, do_timer=False, **kwargs)
# Run OEProp
oe = core.OEProp(scf_wfn)
oe.set_title(name.upper())
for prop in properties:
oe.add(prop.upper())
oe.compute()
scf_wfn.set_oeprop(oe)
core.tstop()
optstash.restore()
return scf_wfn
def run_scf_property(name, **kwargs):
"""Function encoding sequence of PSI module calls for
SCF calculations. This is a simple alias to :py:func:`~proc.run_scf`
since SCF properties all handled through oeprop.
"""
core.tstart()
optstash = proc_util.scf_set_reference_local(name)
properties = kwargs.pop('properties')
proc_util.oeprop_validator(properties)
scf_wfn = run_scf(name, scf_do_dipole=False, do_timer=False, **kwargs)
# Run OEProp
oe = core.OEProp(scf_wfn)
oe.set_title(name.upper())
for prop in properties:
oe.add(prop.upper())
oe.compute()
scf_wfn.set_oeprop(oe)
core.tstop()
optstash.restore()
return scf_wfn
def run_cc_property(name, **kwargs):
"""Function encoding sequence of PSI module calls for
all CC property calculations.
"""
optstash = p4util.OptionsState(
['WFN'],
['DERTYPE'],
['ONEPDM'],
['PROPERTY'],
['CCLAMBDA', 'R_CONVERGENCE'],
['CCEOM', 'R_CONVERGENCE'],
['CCEOM', 'E_CONVERGENCE'])
oneel_properties = ['dipole', 'quadrupole']
twoel_properties = []
response_properties = ['polarizability', 'rotation', 'roa', 'roa_tensor']
excited_properties = ['oscillator_strength', 'rotational_strength']
one = []
two = []
response = []
excited = []
invalid = []
if 'properties' in kwargs:
properties = kwargs['properties']
for prop in properties:
if prop in oneel_properties:
one.append(prop)
elif prop in twoel_properties:
two.append(prop)
elif prop in response_properties:
response.append(prop)
elif prop in excited_properties:
excited.append(prop)
else:
invalid.append(prop)
else:
raise ValidationError("""The "properties" keyword is required with the property() function.""")
n_one = len(one)
n_two = len(two)
n_response = len(response)
n_excited = len(excited)
n_invalid = len(invalid)
if n_invalid > 0:
print("""The following properties are not currently supported: %s""" % invalid)
if n_excited > 0 and (name not in ['eom-ccsd', 'eom-cc2']):
raise ValidationError("""Excited state CC properties require EOM-CC2 or EOM-CCSD.""")
if (name in ['eom-ccsd', 'eom-cc2']) and n_response > 0:
raise ValidationError("""Cannot (yet) compute response properties for excited states.""")
if 'roa' in response:
# Perform distributed roa job
run_roa(name, **kwargs)
return # Don't do anything further
if (n_one > 0 or n_two > 0) and (n_response > 0):
print("""Computing both density- and response-based properties.""")
if name in ['ccsd', 'cc2', 'eom-ccsd', 'eom-cc2']:
this_name = name.upper().replace('-', '_')
core.set_global_option('WFN', this_name)
ccwfn = run_ccenergy(name, **kwargs)
core.set_global_option('WFN', this_name)
else:
raise ValidationError("""CC property name %s not recognized""" % name.upper())
# Need cchbar for everything
core.cchbar(ccwfn)
# Need ccdensity at this point only for density-based props
if n_one > 0 or n_two > 0:
if name == 'eom-ccsd':
core.set_global_option('WFN', 'EOM_CCSD')
core.set_global_option('DERTYPE', 'NONE')
core.set_global_option('ONEPDM', 'TRUE')
core.cceom(ccwfn)
elif name == 'eom-cc2':
core.set_global_option('WFN', 'EOM_CC2')
core.set_global_option('DERTYPE', 'NONE')
core.set_global_option('ONEPDM', 'TRUE')
core.cceom(ccwfn)
core.set_global_option('DERTYPE', 'NONE')
core.set_global_option('ONEPDM', 'TRUE')
core.cclambda(ccwfn)
core.ccdensity(ccwfn)
# Need ccresponse only for response-type props
if n_response > 0:
core.set_global_option('DERTYPE', 'RESPONSE')
core.cclambda(ccwfn)
for prop in response:
core.set_global_option('PROPERTY', prop)
core.ccresponse(ccwfn)
# Excited-state transition properties
if n_excited > 0:
if name == 'eom-ccsd':
core.set_global_option('WFN', 'EOM_CCSD')
elif name == 'eom-cc2':
core.set_global_option('WFN', 'EOM_CC2')
else:
raise ValidationError("""Unknown excited-state CC wave function.""")
core.set_global_option('DERTYPE', 'NONE')
core.set_global_option('ONEPDM', 'TRUE')
# Tight convergence unnecessary for transition properties
core.set_local_option('CCLAMBDA','R_CONVERGENCE',1e-4)
core.set_local_option('CCEOM','R_CONVERGENCE',1e-4)
core.set_local_option('CCEOM','E_CONVERGENCE',1e-5)
core.cceom(ccwfn)
core.cclambda(ccwfn)
core.ccdensity(ccwfn)
core.set_global_option('WFN', 'SCF')
core.revoke_global_option_changed('WFN')
core.set_global_option('DERTYPE', 'NONE')
core.revoke_global_option_changed('DERTYPE')
optstash.restore()
return ccwfn
def run_dfmp2_property(name, **kwargs):
"""Function encoding sequence of PSI module calls for
a DFMP2 property calculation.
"""
optstash = p4util.OptionsState(
['DF_BASIS_SCF'],
['DF_BASIS_MP2'],
['ONEPDM'],
['OPDM_RELAX'],
['SCF_TYPE'])
core.set_global_option('ONEPDM', 'TRUE')
core.set_global_option('OPDM_RELAX', 'TRUE')
# Alter default algorithm
if not core.has_option_changed('SCF', 'SCF_TYPE'):
core.set_global_option('SCF_TYPE', 'DF') # local set insufficient b/c SCF option read in DFMP2
core.print_out(""" SCF Algorithm Type (re)set to DF.\n""")
if not core.get_option('SCF', 'SCF_TYPE') == 'DF':
raise ValidationError('DF-MP2 properties need DF-SCF reference.')
properties = kwargs.pop('properties')
proc_util.oeprop_validator(properties)
# Bypass the scf call if a reference wavefunction is given
ref_wfn = kwargs.get('ref_wfn', None)
if ref_wfn is None:
ref_wfn = scf_helper(name, scf_do_dipole=False, use_c1=True, **kwargs) # C1 certified
aux_basis = core.BasisSet.build(ref_wfn.molecule(), "DF_BASIS_MP2",
core.get_option("DFMP2", "DF_BASIS_MP2"),
"RIFIT", core.get_global_option('BASIS'))
ref_wfn.set_basisset("DF_BASIS_MP2", aux_basis)
core.print_out('\n')
p4util.banner('DFMP2')
core.print_out('\n')
dfmp2_wfn = core.dfmp2(ref_wfn)
grad = dfmp2_wfn.compute_gradient()
if name == 'scs-mp2':
core.set_variable('CURRENT ENERGY', core.get_variable('SCS-MP2 TOTAL ENERGY'))
core.set_variable('CURRENT CORRELATION ENERGY', core.get_variable('SCS-MP2 CORRELATION ENERGY'))
elif name == 'mp2':
core.set_variable('CURRENT ENERGY', core.get_variable('MP2 TOTAL ENERGY'))
core.set_variable('CURRENT CORRELATION ENERGY', core.get_variable('MP2 CORRELATION ENERGY'))
# Run OEProp
oe = core.OEProp(dfmp2_wfn)
oe.set_title(name.upper())
for prop in properties:
oe.add(prop.upper())
oe.compute()
dfmp2_wfn.set_oeprop(oe)
optstash.restore()
return dfmp2_wfn
def run_detci_property(name, **kwargs):
"""Function encoding sequence of PSI module calls for
a configuration interaction calculation, namely FCI,
CIn, MPn, and ZAPTn, computing properties.
"""
optstash = p4util.OptionsState(
['OPDM'],
['TDM'])
# Find valid properties
valid_transition = ['TRANSITION_DIPOLE', 'TRANSITION_QUADRUPOLE']
ci_prop = []
ci_trans = []
properties = kwargs.pop('properties')
for prop in properties:
if prop.upper() in valid_transition:
ci_trans.append(prop)
else:
ci_prop.append(prop)
proc_util.oeprop_validator(ci_prop)
core.set_global_option('OPDM', 'TRUE')
if len(ci_trans):
core.set_global_option('TDM', 'TRUE')
# Compute
if name in ['mcscf', 'rasscf', 'casscf']:
ciwfn = run_detcas(name, **kwargs)
else:
ciwfn = run_detci(name, **kwargs)
# All property names are just CI
if 'CI' in name.upper():
name = 'CI'
states = core.get_global_option('avg_states')
nroots = core.get_global_option('num_roots')
if len(states) != nroots:
states = range(nroots)
# Run OEProp
oe = core.OEProp(ciwfn)
oe.set_title(name.upper())
for prop in ci_prop:
oe.add(prop.upper())
# Compute "the" CI density
oe.compute()
ciwfn.set_oeprop(oe)
# If we have more than one root, compute all data
if nroots > 1:
core.print_out("\n ===> %s properties for all CI roots <=== \n\n" % name.upper())
for root in states:
oe.set_title("%s ROOT %d" % (name.upper(), root))
if ciwfn.same_a_b_dens():
oe.set_Da_mo(ciwfn.get_opdm(root, root, "A", True))
else:
oe.set_Da_mo(ciwfn.get_opdm(root, root, "A", True))
oe.set_Db_mo(ciwfn.get_opdm(root, root, "B", True))
oe.compute()
# Transition density matrices
if (nroots > 1) and len(ci_trans):
oe.clear()
for tprop in ci_trans:
oe.add(tprop.upper())
core.print_out("\n ===> %s properties for all CI transition density matrices <=== \n\n" % name.upper())
for root in states[1:]:
oe.set_title("%s ROOT %d -> ROOT %d" % (name.upper(), 0, root))
if ciwfn.same_a_b_dens():
oe.set_Da_mo(ciwfn.get_opdm(0, root, "A", True))
else:
oe.set_Da_mo(ciwfn.get_opdm(0, root, "A", True))
oe.set_Db_mo(ciwfn.get_opdm(0, root, "B", True))
oe.compute()
optstash.restore()
return ciwfn
def run_eom_cc(name, **kwargs):
"""Function encoding sequence of PSI module calls for
an EOM-CC calculation, namely EOM-CC2, EOM-CCSD, and EOM-CC3.
"""
optstash = p4util.OptionsState(
['TRANSQT2', 'WFN'],
['CCSORT', 'WFN'],
['CCENERGY', 'WFN'],
['CCHBAR', 'WFN'],
['CCEOM', 'WFN'])
if name == 'eom-ccsd':
core.set_local_option('TRANSQT2', 'WFN', 'EOM_CCSD')
core.set_local_option('CCSORT', 'WFN', 'EOM_CCSD')
core.set_local_option('CCENERGY', 'WFN', 'EOM_CCSD')
core.set_local_option('CCHBAR', 'WFN', 'EOM_CCSD')
core.set_local_option('CCEOM', 'WFN', 'EOM_CCSD')
ref_wfn = run_ccenergy('ccsd', **kwargs)
elif name == 'eom-cc2':
user_ref = core.get_option('CCENERGY', 'REFERENCE')
if (user_ref != 'RHF') and (user_ref != 'UHF'):
raise ValidationError('Reference %s for EOM-CC2 is not available.' % user_ref)
core.set_local_option('TRANSQT2', 'WFN', 'EOM_CC2')
core.set_local_option('CCSORT', 'WFN', 'EOM_CC2')
core.set_local_option('CCENERGY', 'WFN', 'EOM_CC2')
core.set_local_option('CCHBAR', 'WFN', 'EOM_CC2')
core.set_local_option('CCEOM', 'WFN', 'EOM_CC2')
ref_wfn = run_ccenergy('cc2', **kwargs)
elif name == 'eom-cc3':
core.set_local_option('TRANSQT2', 'WFN', 'EOM_CC3')
core.set_local_option('CCSORT', 'WFN', 'EOM_CC3')
core.set_local_option('CCENERGY', 'WFN', 'EOM_CC3')
core.set_local_option('CCHBAR', 'WFN', 'EOM_CC3')
core.set_local_option('CCEOM', 'WFN', 'EOM_CC3')
ref_wfn = run_ccenergy('cc3', **kwargs)
core.cchbar(ref_wfn)
core.cceom(ref_wfn)
optstash.restore()
return ref_wfn
# TODO ask if all these cc modules not actually changing wfn
def run_eom_cc_gradient(name, **kwargs):
"""Function encoding sequence of PSI module calls for
an EOM-CCSD gradient calculation.
"""
optstash = p4util.OptionsState(
['CCDENSITY', 'XI'],
['CCDENSITY', 'ZETA'],
['CCLAMBDA', 'ZETA'],
['DERTYPE'],
['CCDENSITY', 'WFN'],
['CCLAMBDA', 'WFN'])
core.set_global_option('DERTYPE', 'FIRST')
if name == 'eom-ccsd':
core.set_local_option('CCLAMBDA', 'WFN', 'EOM_CCSD')
core.set_local_option('CCDENSITY', 'WFN', 'EOM_CCSD')
ref_wfn = run_eom_cc(name, **kwargs)
else:
core.print_out('DGAS: proc.py:1599 hitting an undefined sequence')
core.clean()
raise ValueError('Hit a wall in proc.py:1599')
core.set_local_option('CCLAMBDA', 'ZETA', 'FALSE')
core.set_local_option('CCDENSITY', 'ZETA', 'FALSE')
core.set_local_option('CCDENSITY', 'XI', 'TRUE')
core.cclambda(ref_wfn)
core.ccdensity(ref_wfn)
core.set_local_option('CCLAMBDA', 'ZETA', 'TRUE')
core.set_local_option('CCDENSITY', 'ZETA', 'TRUE')
core.set_local_option('CCDENSITY', 'XI', 'FALSE')
core.cclambda(ref_wfn)
core.ccdensity(ref_wfn)
derivobj = core.Deriv(ref_wfn)
grad = derivobj.compute()
ref_wfn.set_gradient(grad)
optstash.restore()
return ref_wfn
def run_adc(name, **kwargs):
"""Function encoding sequence of PSI module calls for
an algebraic diagrammatic construction calculation.
.. caution:: Get rid of active molecule lines- should be handled in energy.
"""
if core.get_option('ADC', 'REFERENCE') != 'RHF':
raise ValidationError('ADC requires reference RHF')
# Bypass the scf call if a reference wavefunction is given
ref_wfn = kwargs.get('ref_wfn', None)
if ref_wfn is None:
ref_wfn = scf_helper(name, **kwargs)
# Ensure IWL files have been written
proc_util.check_iwl_file_from_scf_type(core.get_option('SCF', 'SCF_TYPE'), ref_wfn)
return core.adc(ref_wfn)
def run_dft(name, **kwargs):
"""Function encoding sequence of PSI module calls for
a density-functional-theory calculation.
"""
optstash = p4util.OptionsState(
['SCF', 'DFT_FUNCTIONAL'],
['SCF', 'REFERENCE'],
['SCF', 'SCF_TYPE'],
['DF_BASIS_MP2'],
['DFMP2', 'MP2_OS_SCALE'],
['DFMP2', 'MP2_SS_SCALE'])
# Alter default algorithm
if not core.has_option_changed('SCF', 'SCF_TYPE'):
core.set_local_option('SCF', 'SCF_TYPE', 'DF')
core.set_local_option('SCF', 'DFT_FUNCTIONAL', name)
user_ref = core.get_option('SCF', 'REFERENCE')
if (user_ref == 'RHF'):
core.set_local_option('SCF', 'REFERENCE', 'RKS')
elif (user_ref == 'UHF'):
core.set_local_option('SCF', 'REFERENCE', 'UKS')
elif (user_ref == 'ROHF'):
raise ValidationError('ROHF reference for DFT is not available.')
elif (user_ref == 'CUHF'):
raise ValidationError('CUHF reference for DFT is not available.')
scf_wfn = run_scf(name, **kwargs)
returnvalue = core.get_variable('CURRENT ENERGY')
for ssuper in dft_functional.superfunctional_list:
if ssuper.name().lower() == name:
dfun = ssuper
if dfun.is_c_hybrid():
core.tstart()
aux_basis = core.BasisSet.build(scf_wfn.molecule(), "DF_BASIS_MP2",
core.get_option("DFMP2", "DF_BASIS_MP2"),
"RIFIT", core.get_global_option('BASIS'),
puream=-1)
scf_wfn.set_basisset("DF_BASIS_MP2", aux_basis)
if dfun.is_c_scs_hybrid():
core.set_local_option('DFMP2', 'MP2_OS_SCALE', dfun.c_os_alpha())
core.set_local_option('DFMP2', 'MP2_SS_SCALE', dfun.c_ss_alpha())
dfmp2_wfn = core.dfmp2(scf_wfn)
dfmp2_wfn.compute_energy()
vdh = dfun.c_alpha() * core.get_variable('SCS-MP2 CORRELATION ENERGY')
else:
dfmp2_wfn = core.dfmp2(scf_wfn)
dfmp2_wfn.compute_energy()
vdh = dfun.c_alpha() * core.get_variable('MP2 CORRELATION ENERGY')
# TODO: delete these variables, since they don't mean what they look to mean?
# 'MP2 TOTAL ENERGY',
# 'MP2 CORRELATION ENERGY',
# 'MP2 SAME-SPIN CORRELATION ENERGY']
core.set_variable('DOUBLE-HYBRID CORRECTION ENERGY', vdh)
returnvalue += vdh
core.set_variable('DFT TOTAL ENERGY', returnvalue)
core.set_variable('CURRENT ENERGY', returnvalue)
core.print_out('\n\n')
core.print_out(' %s Energy Summary\n' % (name.upper()))
core.print_out(' -------------------------\n')
core.print_out(' DFT Reference Energy = %22.16lf\n' % (returnvalue - vdh))
core.print_out(' Scaled MP2 Correlation = %22.16lf\n' % (vdh))
core.print_out(' @Final double-hybrid DFT total energy = %22.16lf\n\n' % (returnvalue))
core.tstop()
optstash.restore()
return scf_wfn
def run_dft_gradient(name, **kwargs):
"""Function encoding sequence of PSI module calls for
a density-functional-theory gradient calculation.
"""
optstash = p4util.OptionsState(
['SCF', 'DFT_FUNCTIONAL'],
['SCF', 'REFERENCE'],
['SCF', 'SCF_TYPE'])
# Alter default algorithm
if not core.has_option_changed('SCF', 'SCF_TYPE'):
core.set_local_option('SCF', 'SCF_TYPE', 'DF')
core.set_local_option('SCF', 'DFT_FUNCTIONAL', name.upper())
user_ref = core.get_option('SCF', 'REFERENCE')
if (user_ref == 'RHF'):
core.set_local_option('SCF', 'REFERENCE', 'RKS')
elif (user_ref == 'UHF'):
core.set_local_option('SCF', 'REFERENCE', 'UKS')
elif (user_ref == 'ROHF'):
raise ValidationError('ROHF reference for DFT is not available.')
elif (user_ref == 'CUHF'):
raise ValidationError('CUHF reference for DFT is not available.')
wfn = run_scf_gradient(name, **kwargs)
optstash.restore()
return wfn
def run_detci(name, **kwargs):
"""Function encoding sequence of PSI module calls for
a configuration interaction calculation, namely FCI,
CIn, MPn, and ZAPTn.
"""
optstash = p4util.OptionsState(
['DETCI', 'WFN'],
['DETCI', 'MAX_NUM_VECS'],
['DETCI', 'MPN_ORDER_SAVE'],
['DETCI', 'MPN'],
['DETCI', 'FCI'],
['DETCI', 'EX_LEVEL'])
if core.get_option('DETCI', 'REFERENCE') not in ['RHF', 'ROHF']:
raise ValidationError('Reference %s for DETCI is not available.' %
core.get_option('DETCI', 'REFERENCE'))
if name == 'zapt':
core.set_local_option('DETCI', 'WFN', 'ZAPTN')
level = kwargs['level']
maxnvect = int((level + 1) / 2) + (level + 1) % 2
core.set_local_option('DETCI', 'MAX_NUM_VECS', maxnvect)
if (level + 1) % 2:
core.set_local_option('DETCI', 'MPN_ORDER_SAVE', 2)
else:
core.set_local_option('DETCI', 'MPN_ORDER_SAVE', 1)
elif name in ['mp', 'mp2', 'mp3', 'mp4']:
core.set_local_option('DETCI', 'WFN', 'DETCI')
core.set_local_option('DETCI', 'MPN', 'TRUE')
if name == 'mp2':
level = 2
elif name == 'mp3':
level = 3
elif name == 'mp4':
level = 4
else:
level = kwargs['level']
maxnvect = int((level + 1) / 2) + (level + 1) % 2
core.set_local_option('DETCI', 'MAX_NUM_VECS', maxnvect)
if (level + 1) % 2:
core.set_local_option('DETCI', 'MPN_ORDER_SAVE', 2)
else:
core.set_local_option('DETCI', 'MPN_ORDER_SAVE', 1)
elif name == 'ccsd':
# untested
core.set_local_option('DETCI', 'WFN', 'DETCI')
core.set_local_option('DETCI', 'CC', 'TRUE')
core.set_local_option('DETCI', 'CC_EX_LEVEL', 2)
elif name == 'fci':
core.set_local_option('DETCI', 'WFN', 'DETCI')
core.set_local_option('DETCI', 'FCI', 'TRUE')
elif name == 'cisd':
core.set_local_option('DETCI', 'WFN', 'DETCI')
core.set_local_option('DETCI', 'EX_LEVEL', 2)
elif name == 'cisdt':
core.set_local_option('DETCI', 'WFN', 'DETCI')
core.set_local_option('DETCI', 'EX_LEVEL', 3)
elif name == 'cisdtq':
core.set_local_option('DETCI', 'WFN', 'DETCI')
core.set_local_option('DETCI', 'EX_LEVEL', 4)
elif name == 'ci':
core.set_local_option('DETCI', 'WFN', 'DETCI')
level = kwargs['level']
core.set_local_option('DETCI', 'EX_LEVEL', level)
elif name == 'detci':
pass
# Bypass the scf call if a reference wavefunction is given
ref_wfn = kwargs.get('ref_wfn', None)
if ref_wfn is None:
ref_wfn = scf_helper(name, **kwargs) # C1 certified
# Ensure IWL files have been written
proc_util.check_iwl_file_from_scf_type(core.get_option('SCF', 'SCF_TYPE'), ref_wfn)
ciwfn = core.detci(ref_wfn)
print_nos = False
if core.get_option("DETCI", "NAT_ORBS"):
ciwfn.ci_nat_orbs()
print_nos = True
proc_util.print_ci_results(ciwfn, name.upper(), core.get_variable("HF TOTAL ENERGY"), core.get_variable("CURRENT ENERGY"), print_nos)
core.print_out("\t\t \"A good bug is a dead bug\" \n\n");
core.print_out("\t\t\t - Starship Troopers\n\n");
core.print_out("\t\t \"I didn't write FORTRAN. That's the problem.\"\n\n");
core.print_out("\t\t\t - Edward Valeev\n");
if core.get_global_option("DIPMOM") and ("mp" not in name.lower()):
# We always would like to print a little dipole information
oeprop = core.OEProp(ciwfn)
oeprop.set_title(name.upper())
oeprop.add("DIPOLE")
oeprop.compute()
ciwfn.set_oeprop(oeprop)
core.set_variable("CURRENT DIPOLE X", core.get_variable(name.upper() + " DIPOLE X"))
core.set_variable("CURRENT DIPOLE Y", core.get_variable(name.upper() + " DIPOLE Y"))
core.set_variable("CURRENT DIPOLE Z", core.get_variable(name.upper() + " DIPOLE Z"))
ciwfn.cleanup_ci()
ciwfn.cleanup_dpd()
optstash.restore()
return ciwfn
def run_dfmp2(name, **kwargs):
"""Function encoding sequence of PSI module calls for
a density-fitted MP2 calculation.
"""
optstash = p4util.OptionsState(
['DF_BASIS_MP2'],
['SCF', 'SCF_TYPE'])
# Alter default algorithm
if not core.has_option_changed('SCF', 'SCF_TYPE'):
core.set_local_option('SCF', 'SCF_TYPE', 'DF')
core.print_out(""" SCF Algorithm Type (re)set to DF.\n""")
# Bypass the scf call if a reference wavefunction is given
ref_wfn = kwargs.get('ref_wfn', None)
if ref_wfn is None:
ref_wfn = scf_helper(name, **kwargs) # C1 certified
core.tstart()
core.print_out('\n')
p4util.banner('DFMP2')
core.print_out('\n')
if core.get_global_option('REFERENCE') == "ROHF":
ref_wfn.semicanonicalize()
aux_basis = core.BasisSet.build(ref_wfn.molecule(), "DF_BASIS_MP2",
core.get_option("DFMP2", "DF_BASIS_MP2"),
"RIFIT", core.get_global_option('BASIS'))
ref_wfn.set_basisset("DF_BASIS_MP2", aux_basis)
dfmp2_wfn = core.dfmp2(ref_wfn)
dfmp2_wfn.compute_energy()
if name == 'scs-mp2':
core.set_variable('CURRENT ENERGY', core.get_variable('SCS-MP2 TOTAL ENERGY'))
core.set_variable('CURRENT CORRELATION ENERGY', core.get_variable('SCS-MP2 CORRELATION ENERGY'))
elif name == 'mp2':
core.set_variable('CURRENT ENERGY', core.get_variable('MP2 TOTAL ENERGY'))
core.set_variable('CURRENT CORRELATION ENERGY', core.get_variable('MP2 CORRELATION ENERGY'))
optstash.restore()
core.tstop()
return dfmp2_wfn
def run_dmrgscf(name, **kwargs):
"""Function encoding sequence of PSI module calls for
an DMRG calculation.
"""
optstash = p4util.OptionsState(
['SCF', 'SCF_TYPE'],
['DMRG', 'DMRG_CASPT2_CALC'])
# Bypass the scf call if a reference wavefunction is given
ref_wfn = kwargs.get('ref_wfn', None)
if ref_wfn is None:
ref_wfn = scf_helper(name, **kwargs)
# Ensure IWL files have been written
proc_util.check_iwl_file_from_scf_type(core.get_option('SCF', 'SCF_TYPE'), ref_wfn)
if 'CASPT2' in name.upper():
core.set_local_option("DMRG", "DMRG_CASPT2_CALC", True)
dmrg_wfn = core.dmrg(ref_wfn)
optstash.restore()
return dmrg_wfn
def run_dmrgci(name, **kwargs):
"""Function encoding sequence of PSI module calls for
an DMRG calculation.
"""
optstash = p4util.OptionsState(
['SCF', 'SCF_TYPE'],
['DMRG', 'DMRG_SCF_MAX_ITER'])
# Bypass the scf call if a reference wavefunction is given
ref_wfn = kwargs.get('ref_wfn', None)
if ref_wfn is None:
ref_wfn = scf_helper(name, **kwargs)
# Ensure IWL files have been written
proc_util.check_iwl_file_from_scf_type(core.get_option('SCF', 'SCF_TYPE'), ref_wfn)
core.set_local_option('DMRG', 'DMRG_SCF_MAX_ITER', 1)
dmrg_wfn = core.dmrg(ref_wfn)
optstash.restore()
return dmrg_wfn
def run_psimrcc(name, **kwargs):
"""Function encoding sequence of PSI module calls for a PSIMRCC computation
using a reference from the MCSCF module
"""
mcscf_wfn = run_mcscf(name, **kwargs)
psimrcc_e = core.psimrcc(mcscf_wfn)
return mcscf_wfn
def run_psimrcc_scf(name, **kwargs):
"""Function encoding sequence of PSI module calls for a PSIMRCC computation
using a reference from the SCF module
"""
# Bypass the scf call if a reference wavefunction is given
ref_wfn = kwargs.get('ref_wfn', None)
if ref_wfn is None:
ref_wfn = scf_helper(name, **kwargs)
psimrcc_e = core.psimrcc(ref_wfn)
return ref_wfn
def run_sapt(name, **kwargs):
"""Function encoding sequence of PSI module calls for
a SAPT calculation of any level.
"""
optstash = p4util.OptionsState(
['SCF', 'SCF_TYPE'])
# Alter default algorithm
if not core.has_option_changed('SCF', 'SCF_TYPE'):
core.set_local_option('SCF', 'SCF_TYPE', 'DF')
# Get the molecule of interest
ref_wfn = kwargs.get('ref_wfn', None)
if ref_wfn is None:
sapt_dimer = kwargs.pop('molecule', core.get_active_molecule())
else:
core.print_out('Warning! SAPT argument "ref_wfn" is only able to use molecule information.')
sapt_dimer = ref_wfn.molecule()
sapt_dimer.update_geometry() # make sure since mol from wfn, kwarg, or P::e
sapt_dimer.fix_orientation(True)
sapt_dimer.fix_com(True)
# Shifting to C1 so we need to copy the active molecule
if sapt_dimer.schoenflies_symbol() != 'c1':
core.print_out(' SAPT does not make use of molecular symmetry, further calculations in C1 point group.\n')
sapt_dimer = sapt_dimer.clone()
sapt_dimer.reset_point_group('c1')
sapt_dimer.fix_orientation(True)
sapt_dimer.fix_com(True)
sapt_dimer.update_geometry()
if (core.get_option('SCF', 'REFERENCE') != 'RHF') and (name.upper() != "SAPT0"):
raise ValidationError('Only SAPT0 supports a reference different from \"reference rhf\".')
nfrag = sapt_dimer.nfragments()
if nfrag != 2:
raise ValidationError('SAPT requires active molecule to have 2 fragments, not %s.' % (nfrag))
do_delta_mp2 = True if name.endswith('dmp2') else False
sapt_basis = 'dimer'
if 'sapt_basis' in kwargs:
sapt_basis = kwargs.pop('sapt_basis')
sapt_basis = sapt_basis.lower()
if sapt_basis == 'dimer':
monomerA = sapt_dimer.extract_subsets(1, 2)
monomerA.set_name('monomerA')
monomerB = sapt_dimer.extract_subsets(2, 1)
monomerB.set_name('monomerB')
elif sapt_basis == 'monomer':
monomerA = sapt_dimer.extract_subsets(1)
monomerA.set_name('monomerA')
monomerB = sapt_dimer.extract_subsets(2)
monomerB.set_name('monomerB')
ri = core.get_option('SCF', 'SCF_TYPE')
df_ints_io = core.get_option('SCF', 'DF_INTS_IO')
# inquire if above at all applies to dfmp2
core.IO.set_default_namespace('dimer')
core.print_out('\n')
p4util.banner('Dimer HF')
core.print_out('\n')
# Compute dimer wavefunction
if (sapt_basis == 'dimer') and (ri == 'DF'):
core.set_global_option('DF_INTS_IO', 'SAVE')
dimer_wfn = scf_helper('RHF', molecule=sapt_dimer, **kwargs)
if do_delta_mp2:
select_mp2(name, ref_wfn=dimer_wfn, **kwargs)
mp2_corl_interaction_e = core.get_variable('MP2 CORRELATION ENERGY')
if (sapt_basis == 'dimer') and (ri == 'DF'):
core.set_global_option('DF_INTS_IO', 'LOAD')
# Compute Monomer A wavefunction
if (sapt_basis == 'dimer') and (ri == 'DF'):
core.IO.change_file_namespace(97, 'dimer', 'monomerA')
core.IO.set_default_namespace('monomerA')
core.print_out('\n')
p4util.banner('Monomer A HF')
core.print_out('\n')
monomerA_wfn = scf_helper('RHF', molecule=monomerA, **kwargs)
if do_delta_mp2:
select_mp2(name, ref_wfn=monomerA_wfn, **kwargs)
mp2_corl_interaction_e -= core.get_variable('MP2 CORRELATION ENERGY')
# Compute Monomer B wavefunction
if (sapt_basis == 'dimer') and (ri == 'DF'):
core.IO.change_file_namespace(97, 'monomerA', 'monomerB')
core.IO.set_default_namespace('monomerB')
core.print_out('\n')
p4util.banner('Monomer B HF')
core.print_out('\n')
monomerB_wfn = scf_helper('RHF', molecule=monomerB, **kwargs)
# Delta MP2
if do_delta_mp2:
select_mp2(name, ref_wfn=monomerB_wfn, **kwargs)
mp2_corl_interaction_e -= core.get_variable('MP2 CORRELATION ENERGY')
core.set_variable('SAPT MP2 CORRELATION ENERGY', mp2_corl_interaction_e)
core.set_global_option('DF_INTS_IO', df_ints_io)
if core.get_option('SCF', 'REFERENCE') == 'RHF':
core.IO.change_file_namespace(constants.PSIF_SAPT_MONOMERA, 'monomerA', 'dimer')
core.IO.change_file_namespace(constants.PSIF_SAPT_MONOMERB, 'monomerB', 'dimer')
core.IO.set_default_namespace('dimer')
core.set_local_option('SAPT', 'E_CONVERGENCE', 10e-10)
core.set_local_option('SAPT', 'D_CONVERGENCE', 10e-10)
if name in ['sapt0', 'ssapt0']:
core.set_local_option('SAPT', 'SAPT_LEVEL', 'SAPT0')
elif name == 'sapt2':
core.set_local_option('SAPT', 'SAPT_LEVEL', 'SAPT2')
elif name in ['sapt2+', 'sapt2+dmp2']:
core.set_local_option('SAPT', 'SAPT_LEVEL', 'SAPT2+')
core.set_local_option('SAPT', 'DO_CCD_DISP', False)
elif name in ['sapt2+(3)', 'sapt2+(3)dmp2']:
core.set_local_option('SAPT', 'SAPT_LEVEL', 'SAPT2+3')
core.set_local_option('SAPT', 'DO_THIRD_ORDER', False)
core.set_local_option('SAPT', 'DO_CCD_DISP', False)
elif name in ['sapt2+3', 'sapt2+3dmp2']:
core.set_local_option('SAPT', 'SAPT_LEVEL', 'SAPT2+3')
core.set_local_option('SAPT', 'DO_THIRD_ORDER', True)
core.set_local_option('SAPT', 'DO_CCD_DISP', False)
elif name in ['sapt2+(ccd)', 'sapt2+(ccd)dmp2']:
core.set_local_option('SAPT', 'SAPT_LEVEL', 'SAPT2+')
core.set_local_option('SAPT', 'DO_CCD_DISP', True)
elif name in ['sapt2+(3)(ccd)', 'sapt2+(3)(ccd)dmp2']:
core.set_local_option('SAPT', 'SAPT_LEVEL', 'SAPT2+3')
core.set_local_option('SAPT', 'DO_THIRD_ORDER', False)
core.set_local_option('SAPT', 'DO_CCD_DISP', True)
elif name in ['sapt2+3(ccd)', 'sapt2+3(ccd)dmp2']:
core.set_local_option('SAPT', 'SAPT_LEVEL', 'SAPT2+3')
core.set_local_option('SAPT', 'DO_THIRD_ORDER', True)
core.set_local_option('SAPT', 'DO_CCD_DISP', True)
# Make sure we are not going to run CPHF on ROHF, since its MO Hessian
# is not SPD
if core.get_option('SCF', 'REFERENCE') == 'ROHF':
core.set_local_option('SAPT','COUPLED_INDUCTION',False)
core.print_out(' Coupled induction not available for ROHF.\n')
core.print_out(' Proceeding with uncoupled induction only.\n')
aux_basis = core.BasisSet.build(dimer_wfn.molecule(), "DF_BASIS_SAPT",
core.get_global_option("DF_BASIS_SAPT"),
"RIFIT", core.get_global_option("BASIS"))
dimer_wfn.set_basisset("DF_BASIS_SAPT", aux_basis)
if core.get_global_option("DF_BASIS_ELST") == "":
dimer_wfn.set_basisset("DF_BASIS_ELST", aux_basis)
else:
aux_basis = core.BasisSet.build(dimer_wfn.molecule(), "DF_BASIS_ELST",
core.get_global_option("DF_BASIS_ELST"),
"RIFIT", core.get_global_option("BASIS"))
dimer_wfn.set_basisset("DF_BASIS_ELST", aux_basis)
core.print_out('\n')
p4util.banner(name.upper())
core.print_out('\n')
e_sapt = core.sapt(dimer_wfn, monomerA_wfn, monomerB_wfn)
from psi4.driver.qcdb.psivardefs import sapt_psivars
p4util.expand_psivars(sapt_psivars())
optstash.restore()
for term in ['ELST', 'EXCH', 'IND', 'DISP', 'TOTAL']:
core.set_variable(' '.join(['SAPT', term, 'ENERGY']),
core.get_variable(' '.join([name.upper(), term, 'ENERGY'])))
core.set_variable('CURRENT ENERGY', core.get_variable('SAPT TOTAL ENERGY'))
return dimer_wfn
def run_sapt_ct(name, **kwargs):
"""Function encoding sequence of PSI module calls for
a charge-transfer SAPT calcuation of any level.
"""
optstash = p4util.OptionsState(
['SCF', 'SCF_TYPE'])
if 'ref_wfn' in kwargs:
core.print_out('\nWarning! Argument ref_wfn is not valid for sapt computations\n')
# Alter default algorithm
if not core.has_option_changed('SCF', 'SCF_TYPE'):
core.set_local_option('SCF', 'SCF_TYPE', 'DF')
# Get the molecule of interest
ref_wfn = kwargs.get('ref_wfn', None)
if ref_wfn is None:
sapt_dimer = kwargs.pop('molecule', core.get_active_molecule())
else:
core.print_out('Warning! SAPT argument "ref_wfn" is only able to use molecule information.')
sapt_dimer = ref_wfn.molecule()
sapt_dimer.update_geometry() # make sure since mol from wfn, kwarg, or P::e
sapt_dimer.fix_orientation(True)
sapt_dimer.fix_com(True)
# Shifting to C1 so we need to copy the active molecule
if sapt_dimer.schoenflies_symbol() != 'c1':
core.print_out(' SAPT does not make use of molecular symmetry, further calculations in C1 point group.\n')
sapt_dimer = sapt_dimer.clone()
sapt_dimer.reset_point_group('c1')
sapt_dimer.fix_orientation(True)
sapt_dimer.fix_com(True)
sapt_dimer.update_geometry()
if core.get_option('SCF', 'REFERENCE') != 'RHF':
raise ValidationError('SAPT requires requires \"reference rhf\".')
nfrag = sapt_dimer.nfragments()
if nfrag != 2:
raise ValidationError('SAPT requires active molecule to have 2 fragments, not %s.' % (nfrag))
monomerA = sapt_dimer.extract_subsets(1, 2)
monomerA.set_name('monomerA')
monomerB = sapt_dimer.extract_subsets(2, 1)
monomerB.set_name('monomerB')
sapt_dimer.update_geometry()
monomerAm = sapt_dimer.extract_subsets(1)
monomerAm.set_name('monomerAm')
monomerBm = sapt_dimer.extract_subsets(2)
monomerBm.set_name('monomerBm')
ri = core.get_option('SCF', 'SCF_TYPE')
df_ints_io = core.get_option('SCF', 'DF_INTS_IO')
# inquire if above at all applies to dfmp2
core.IO.set_default_namespace('dimer')
core.print_out('\n')
p4util.banner('Dimer HF')
core.print_out('\n')
core.set_global_option('DF_INTS_IO', 'SAVE')
dimer_wfn = scf_helper('RHF', molecule=sapt_dimer, **kwargs)
core.set_global_option('DF_INTS_IO', 'LOAD')
if (ri == 'DF'):
core.IO.change_file_namespace(97, 'dimer', 'monomerA')
core.IO.set_default_namespace('monomerA')
core.print_out('\n')
p4util.banner('Monomer A HF (Dimer Basis)')
core.print_out('\n')
monomerA_wfn = scf_helper('RHF', molecule=monomerA, **kwargs)
if (ri == 'DF'):
core.IO.change_file_namespace(97, 'monomerA', 'monomerB')
core.IO.set_default_namespace('monomerB')
core.print_out('\n')
p4util.banner('Monomer B HF (Dimer Basis)')
core.print_out('\n')
monomerB_wfn = scf_helper('RHF', molecule=monomerB, **kwargs)
core.set_global_option('DF_INTS_IO', df_ints_io)
core.IO.set_default_namespace('monomerAm')
core.print_out('\n')
p4util.banner('Monomer A HF (Monomer Basis)')
core.print_out('\n')
monomerAm_wfn = scf_helper('RHF', molecule=monomerAm, **kwargs)
core.IO.set_default_namespace('monomerBm')
core.print_out('\n')
p4util.banner('Monomer B HF (Monomer Basis)')
core.print_out('\n')
monomerBm_wfn = scf_helper('RHF', molecule=monomerBm, **kwargs)
core.IO.set_default_namespace('dimer')
core.set_local_option('SAPT', 'E_CONVERGENCE', 10e-10)
core.set_local_option('SAPT', 'D_CONVERGENCE', 10e-10)
if name == 'sapt0-ct':
core.set_local_option('SAPT', 'SAPT_LEVEL', 'SAPT0')
elif name == 'sapt2-ct':
core.set_local_option('SAPT', 'SAPT_LEVEL', 'SAPT2')
elif name == 'sapt2+-ct':
core.set_local_option('SAPT', 'SAPT_LEVEL', 'SAPT2+')
elif name == 'sapt2+(3)-ct':
core.set_local_option('SAPT', 'SAPT_LEVEL', 'SAPT2+3')
core.set_local_option('SAPT', 'DO_THIRD_ORDER', False)
elif name == 'sapt2+3-ct':
core.set_local_option('SAPT', 'SAPT_LEVEL', 'SAPT2+3')
core.set_local_option('SAPT', 'DO_THIRD_ORDER', True)
elif name == 'sapt2+(ccd)-ct':
core.set_local_option('SAPT', 'SAPT_LEVEL', 'SAPT2+')
core.set_local_option('SAPT', 'DO_CCD_DISP', True)
elif name == 'sapt2+(3)(ccd)-ct':
core.set_local_option('SAPT', 'SAPT_LEVEL', 'SAPT2+3')
core.set_local_option('SAPT', 'DO_THIRD_ORDER', False)
core.set_local_option('SAPT', 'DO_CCD_DISP', True)
elif name == 'sapt2+3(ccd)-ct':
core.set_local_option('SAPT', 'SAPT_LEVEL', 'SAPT2+3')
core.set_local_option('SAPT', 'DO_THIRD_ORDER', True)
core.set_local_option('SAPT', 'DO_CCD_DISP', True)
core.print_out('\n')
aux_basis = core.BasisSet.build(dimer_wfn.molecule(), "DF_BASIS_SAPT",
core.get_global_option("DF_BASIS_SAPT"),
"RIFIT", core.get_global_option("BASIS"))
dimer_wfn.set_basisset("DF_BASIS_SAPT", aux_basis)
if core.get_global_option("DF_BASIS_ELST") == "":
dimer_wfn.set_basisset("DF_BASIS_ELST", aux_basis)
else:
aux_basis = core.BasisSet.build(dimer_wfn.molecule(), "DF_BASIS_ELST",
core.get_global_option("DF_BASIS_ELST"),
"RIFIT", core.get_global_option("BASIS"))
dimer_wfn.set_basisset("DF_BASIS_ELST", aux_basis)
core.print_out('\n')
p4util.banner('SAPT Charge Transfer')
core.print_out('\n')
core.print_out('\n')
p4util.banner('Dimer Basis SAPT')
core.print_out('\n')
core.IO.change_file_namespace(constants.PSIF_SAPT_MONOMERA, 'monomerA', 'dimer')
core.IO.change_file_namespace(constants.PSIF_SAPT_MONOMERB, 'monomerB', 'dimer')
e_sapt = core.sapt(dimer_wfn, monomerA_wfn, monomerB_wfn)
CTd = core.get_variable('SAPT CT ENERGY')
core.print_out('\n')
p4util.banner('Monomer Basis SAPT')
core.print_out('\n')
core.IO.change_file_namespace(constants.PSIF_SAPT_MONOMERA, 'monomerAm', 'dimer')
core.IO.change_file_namespace(constants.PSIF_SAPT_MONOMERB, 'monomerBm', 'dimer')
e_sapt = core.sapt(dimer_wfn, monomerAm_wfn, monomerBm_wfn)
CTm = core.get_variable('SAPT CT ENERGY')
CT = CTd - CTm
units = (1000.0, constants.hartree2kcalmol, constants.hartree2kJmol)
core.print_out('\n\n')
core.print_out(' SAPT Charge Transfer Analysis\n')
core.print_out(' ------------------------------------------------------------------------------------------------\n')
core.print_out(' SAPT Induction (Dimer Basis) %12.4lf [mEh] %12.4lf [kcal/mol] %12.4lf [kJ/mol]\n' %
tuple(CTd * u for u in units))
core.print_out(' SAPT Induction (Monomer Basis)%12.4lf [mEh] %12.4lf [kcal/mol] %12.4lf [kJ/mol]\n' %
tuple(CTm * u for u in units))
core.print_out(' SAPT Charge Transfer %12.4lf [mEh] %12.4lf [kcal/mol] %12.4lf [kJ/mol]\n\n' %
tuple(CT * u for u in units))
core.set_variable('SAPT CT ENERGY', CT)
optstash.restore()
return dimer_wfn
def run_fisapt(name, **kwargs):
"""Function encoding sequence of PSI module calls for
an F/ISAPT0 computation
"""
optstash = p4util.OptionsState(
['SCF', 'SCF_TYPE'])
# Alter default algorithm
if not core.has_option_changed('SCF', 'SCF_TYPE'):
core.set_local_option('SCF', 'SCF_TYPE', 'DF')
# Get the molecule of interest
ref_wfn = kwargs.get('ref_wfn', None)
if ref_wfn is None:
sapt_dimer = kwargs.pop('molecule', core.get_active_molecule())
else:
core.print_out('Warning! FISAPT argument "ref_wfn" is only able to use molecule information.')
sapt_dimer = ref_wfn.molecule()
sapt_dimer.update_geometry() # make sure since mol from wfn, kwarg, or P::e
# Shifting to C1 so we need to copy the active molecule
if sapt_dimer.schoenflies_symbol() != 'c1':
core.print_out(' FISAPT does not make use of molecular symmetry, further calculations in C1 point group.\n')
sapt_dimer = sapt_dimer.clone()
sapt_dimer.reset_point_group('c1')
sapt_dimer.fix_orientation(True)
sapt_dimer.fix_com(True)
sapt_dimer.update_geometry()
if core.get_option('SCF', 'REFERENCE') != 'RHF':
raise ValidationError('FISAPT requires requires \"reference rhf\".')
if ref_wfn is None:
ref_wfn = scf_helper('RHF', molecule=sapt_dimer, **kwargs)
scf_aux_basis = core.BasisSet.build(ref_wfn.molecule(), "DF_BASIS_SCF",
core.get_option("SCF", "DF_BASIS_SCF"),
"JKFIT", core.get_global_option('BASIS'),
puream=ref_wfn.basisset().has_puream())
ref_wfn.set_basisset("DF_BASIS_SCF", scf_aux_basis)
sapt_basis = core.BasisSet.build(ref_wfn.molecule(), "DF_BASIS_SAPT",
core.get_global_option("DF_BASIS_SAPT"),
"RIFIT", core.get_global_option("BASIS"),
ref_wfn.basisset().has_puream())
ref_wfn.set_basisset("DF_BASIS_SAPT", sapt_basis)
minao = core.BasisSet.build(ref_wfn.molecule(), "BASIS",
core.get_global_option("MINAO_BASIS"))
ref_wfn.set_basisset("MINAO", minao)
fisapt_wfn = core.fisapt(ref_wfn)
optstash.restore()
return fisapt_wfn
def run_mrcc(name, **kwargs):
"""Function that prepares environment and input files
for a calculation calling Kallay's MRCC code.
"""
# Check to see if we really need to run the SCF code.
ref_wfn = kwargs.get('ref_wfn', None)
if ref_wfn is None:
ref_wfn = scf_helper(name, **kwargs)
vscf = core.get_variable('SCF TOTAL ENERGY')
# The parse_arbitrary_order method provides us the following information
# We require that level be provided. level is a dictionary
# of settings to be passed to core.mrcc
if not('level' in kwargs):
raise ValidationError('level parameter was not provided.')
level = kwargs['level']
# Fullname is the string we need to search for in iface
fullname = level['fullname']
# User can provide 'keep' to the method.
# When provided, do not delete the MRCC scratch directory.
keep = False
if 'keep' in kwargs:
keep = kwargs['keep']
# Save current directory location
current_directory = os.getcwd()
# Find environment by merging PSIPATH and PATH environment variables
lenv = {
'PATH': ':'.join([os.path.abspath(x) for x in os.environ.get('PSIPATH', '').split(':') if x != '']) + \
':' + os.environ.get('PATH'),
'LD_LIBRARY_PATH': os.environ.get('LD_LIBRARY_PATH')
}
# Filter out None values as subprocess will fault on them
lenv = {k: v for k, v in lenv.items() if v is not None}
# Need to move to the scratch directory, perferrably into a separate directory in that location
psi_io = core.IOManager.shared_object()
os.chdir(psi_io.get_default_path())
# Make new directory specifically for mrcc
mrcc_tmpdir = 'mrcc_' + str(os.getpid())
if 'path' in kwargs:
mrcc_tmpdir = kwargs['path']
# Check to see if directory already exists, if not, create.
if os.path.exists(mrcc_tmpdir) is False:
os.mkdir(mrcc_tmpdir)
# Move into the new directory
os.chdir(mrcc_tmpdir)
# Generate integrals and input file (dumps files to the current directory)
core.mrcc_generate_input(ref_wfn, level)
# Load the fort.56 file
# and dump a copy into the outfile
core.print_out('\n===== Begin fort.56 input for MRCC ======\n')
core.print_out(open('fort.56', 'r').read())
core.print_out('===== End fort.56 input for MRCC ======\n')
# Modify the environment:
# PGI Fortan prints warning to screen if STOP is used
lenv['NO_STOP_MESSAGE'] = '1'
# Obtain the number of threads MRCC should use
lenv['OMP_NUM_THREADS'] = str(core.get_num_threads())
# If the user provided MRCC_OMP_NUM_THREADS set the environ to it
if core.has_option_changed('MRCC', 'MRCC_OMP_NUM_THREADS') == True:
lenv['OMP_NUM_THREADS'] = str(core.get_option('MRCC', 'MRCC_OMP_NUM_THREADS'))
# Call dmrcc, directing all screen output to the output file
external_exe = 'dmrcc'
try:
retcode = subprocess.Popen([external_exe], bufsize=0, stdout=subprocess.PIPE, env=lenv)
except OSError as e:
sys.stderr.write('Program %s not found in path or execution failed: %s\n' % (external_exe, e.strerror))
core.print_out('Program %s not found in path or execution failed: %s\n' % (external_exe, e.strerror))
message = ("Program %s not found in path or execution failed: %s\n" % (external_exe, e.strerror))
raise ValidationError(message)
c4out = ''
while True:
data = retcode.stdout.readline()
if not data:
break
core.print_out(data.decode('utf-8'))
c4out += data.decode('utf-8')
# Scan iface file and grab the file energy.
ene = 0.0
for line in open('iface'):
fields = line.split()
m = fields[1]
try:
ene = float(fields[5])
if m == "MP(2)":
m = "MP2"
core.set_variable(m + ' TOTAL ENERGY', ene)
core.set_variable(m + ' CORRELATION ENERGY', ene - vscf)
except ValueError:
continue
# The last 'ene' in iface is the one the user requested.
core.set_variable('CURRENT ENERGY', ene)
core.set_variable('CURRENT CORRELATION ENERGY', ene - vscf)
# Load the iface file
iface = open('iface', 'r')
iface_contents = iface.read()
# Delete mrcc tempdir
os.chdir('..')
try:
# Delete unless we're told not to
if (keep is False and not('path' in kwargs)):
shutil.rmtree(mrcc_tmpdir)
except OSError as e:
print('Unable to remove MRCC temporary directory %s' % e, file=sys.stderr)
exit(1)
# Return to submission directory
os.chdir(current_directory)
# If we're told to keep the files or the user provided a path, do nothing.
if (keep != False or ('path' in kwargs)):
core.print_out('\nMRCC scratch files have been kept.\n')
core.print_out('They can be found in ' + mrcc_tmpdir)
# Dump iface contents to output
core.print_out('\n')
p4util.banner('Full results from MRCC')
core.print_out('\n')
core.print_out(iface_contents)
return ref_wfn
def run_fnodfcc(name, **kwargs):
"""Function encoding sequence of PSI module calls for
a DF-CCSD(T) computation.
>>> set cc_type df
>>> energy('fno-ccsd(t)')
"""
kwargs = p4util.kwargs_lower(kwargs)
# stash user options
optstash = p4util.OptionsState(
['FNOCC', 'COMPUTE_TRIPLES'],
['FNOCC', 'DFCC'],
['FNOCC', 'NAT_ORBS'],
['FNOCC', 'RUN_CEPA'],
['FNOCC', 'DF_BASIS_CC'],
['SCF', 'DF_BASIS_SCF'],
['SCF', 'DF_INTS_IO'],
['SCF', 'SCF_TYPE'])
core.set_local_option('FNOCC', 'DFCC', True)
core.set_local_option('FNOCC', 'RUN_CEPA', False)
# throw an exception for open-shells
if core.get_option('SCF', 'REFERENCE') != 'RHF':
raise ValidationError("""Error: %s requires 'reference rhf'.""" % name)
def set_cholesky_from(mtd_type):
type_val = core.get_global_option(mtd_type)
if type_val == 'CD':
core.set_local_option('FNOCC', 'DF_BASIS_CC', 'CHOLESKY')
# Alter default algorithm
if not core.has_option_changed('SCF', 'SCF_TYPE'):
core.set_global_option('SCF_TYPE', 'CD')
core.print_out(""" SCF Algorithm Type (re)set to CD.\n""")
elif type_val == 'DF':
if core.get_option('FNOCC', 'DF_BASIS_CC') == 'CHOLESKY':
core.set_local_option('FNOCC', 'DF_BASIS_CC', '')
# Alter default algorithm
if not core.has_option_changed('SCF', 'SCF_TYPE'):
core.set_global_option('SCF_TYPE', 'DF')
core.print_out(""" SCF Algorithm Type (re)set to DF.\n""")
else:
raise ValidationError("""Invalid type '%s' for DFCC""" % type_val)
# triples?
if name == 'ccsd':
core.set_local_option('FNOCC', 'COMPUTE_TRIPLES', False)
set_cholesky_from('CC_TYPE')
elif name == 'ccsd(t)':
core.set_local_option('FNOCC', 'COMPUTE_TRIPLES', True)
set_cholesky_from('CC_TYPE')
elif name == 'fno-ccsd':
core.set_local_option('FNOCC', 'COMPUTE_TRIPLES', False)
core.set_local_option('FNOCC', 'NAT_ORBS', True)
set_cholesky_from('CC_TYPE')
elif name == 'fno-ccsd(t)':
core.set_local_option('FNOCC', 'COMPUTE_TRIPLES', True)
core.set_local_option('FNOCC', 'NAT_ORBS', True)
set_cholesky_from('CC_TYPE')
if core.get_option('SCF', 'SCF_TYPE') not in ['CD', 'DF']:
raise ValidationError("""Invalid scf_type for DFCC.""")
# save DF or CD ints generated by SCF for use in CC
core.set_local_option('SCF', 'DF_INTS_IO', 'SAVE')
ref_wfn = kwargs.get('ref_wfn', None)
if ref_wfn is None:
ref_wfn = scf_helper(name, use_c1=True, **kwargs) # C1 certified
else:
if ref_wfn.molecule().schoenflies_symbol() != 'c1':
raise ValidationError(""" FNOCC does not make use of molecular symmetry: """
"""reference wavefunction must be C1.\n""")
scf_aux_basis = core.BasisSet.build(ref_wfn.molecule(), "DF_BASIS_SCF",
core.get_option("SCF", "DF_BASIS_SCF"),
"JKFIT", core.get_global_option('BASIS'),
puream=ref_wfn.basisset().has_puream())
ref_wfn.set_basisset("DF_BASIS_SCF", scf_aux_basis)
aux_basis = core.BasisSet.build(ref_wfn.molecule(), "DF_BASIS_CC",
core.get_global_option("DF_BASIS_CC"),
"RIFIT", core.get_global_option("BASIS"))
ref_wfn.set_basisset("DF_BASIS_CC", aux_basis)
fnocc_wfn = core.fnocc(ref_wfn)
optstash.restore()
return fnocc_wfn
def run_fnocc(name, **kwargs):
"""Function encoding sequence of PSI module calls for
a QCISD(T), CCSD(T), MP2.5, MP3, and MP4 computation.
>>> energy('fno-ccsd(t)')
"""
kwargs = p4util.kwargs_lower(kwargs)
level = kwargs.get('level', 0)
# stash user options:
optstash = p4util.OptionsState(
['TRANSQT2', 'WFN'],
['FNOCC', 'RUN_MP2'],
['FNOCC', 'RUN_MP3'],
['FNOCC', 'RUN_MP4'],
['FNOCC', 'RUN_CCSD'],
['FNOCC', 'COMPUTE_TRIPLES'],
['FNOCC', 'COMPUTE_MP4_TRIPLES'],
['FNOCC', 'DFCC'],
['FNOCC', 'RUN_CEPA'],
['FNOCC', 'USE_DF_INTS'],
['FNOCC', 'NAT_ORBS'])
core.set_local_option('FNOCC', 'DFCC', False)
core.set_local_option('FNOCC', 'RUN_CEPA', False)
core.set_local_option('FNOCC', 'USE_DF_INTS', False)
# which method?
if name == 'ccsd':
core.set_local_option('FNOCC', 'COMPUTE_TRIPLES', False)
core.set_local_option('FNOCC', 'RUN_CCSD', True)
elif name == 'ccsd(t)':
core.set_local_option('FNOCC', 'COMPUTE_TRIPLES', True)
core.set_local_option('FNOCC', 'RUN_CCSD', True)
elif name == 'fno-ccsd':
core.set_local_option('FNOCC', 'COMPUTE_TRIPLES', False)
core.set_local_option('FNOCC', 'RUN_CCSD', True)
core.set_local_option('FNOCC', 'NAT_ORBS', True)
elif name == 'fno-ccsd(t)':
core.set_local_option('FNOCC', 'COMPUTE_TRIPLES', True)
core.set_local_option('FNOCC', 'RUN_CCSD', True)
core.set_local_option('FNOCC', 'NAT_ORBS', True)
elif name == 'qcisd':
core.set_local_option('FNOCC', 'COMPUTE_TRIPLES', False)
core.set_local_option('FNOCC', 'RUN_CCSD', False)
elif name == 'qcisd(t)':
core.set_local_option('FNOCC', 'COMPUTE_TRIPLES', True)
core.set_local_option('FNOCC', 'RUN_CCSD', False)
elif name == 'fno-qcisd':
core.set_local_option('FNOCC', 'COMPUTE_TRIPLES', False)
core.set_local_option('FNOCC', 'RUN_CCSD', False)
core.set_local_option('FNOCC', 'NAT_ORBS', True)
elif name == 'fno-qcisd(t)':
core.set_local_option('FNOCC', 'COMPUTE_TRIPLES', True)
core.set_local_option('FNOCC', 'NAT_ORBS', True)
core.set_local_option('FNOCC', 'RUN_CCSD', False)
elif name == 'mp2':
core.set_local_option('FNOCC', 'RUN_MP2', True)
elif name == 'fno-mp3':
core.set_local_option('FNOCC', 'RUN_MP3', True)
core.set_local_option('FNOCC', 'NAT_ORBS', True)
elif name == 'fno-mp4':
core.set_local_option('FNOCC', 'RUN_MP4', True)
core.set_local_option('FNOCC', 'COMPUTE_MP4_TRIPLES', True)
core.set_local_option('FNOCC', 'COMPUTE_TRIPLES', True)
core.set_local_option('FNOCC', 'NAT_ORBS', True)
elif name == 'mp4(sdq)':
core.set_local_option('FNOCC', 'RUN_MP4', True)
core.set_local_option('FNOCC', 'COMPUTE_MP4_TRIPLES', False)
core.set_local_option('FNOCC', 'COMPUTE_TRIPLES', False)
elif name == 'fno-mp4(sdq)':
core.set_local_option('FNOCC', 'RUN_MP4', True)
core.set_local_option('FNOCC', 'COMPUTE_MP4_TRIPLES', False)
core.set_local_option('FNOCC', 'COMPUTE_TRIPLES', False)
core.set_local_option('FNOCC', 'NAT_ORBS', True)
elif name == 'mp3':
core.set_local_option('FNOCC', 'RUN_MP3', True)
elif name == 'mp4':
core.set_local_option('FNOCC', 'RUN_MP4', True)
core.set_local_option('FNOCC', 'COMPUTE_MP4_TRIPLES', True)
core.set_local_option('FNOCC', 'COMPUTE_TRIPLES', True)
# throw an exception for open-shells
if core.get_option('SCF', 'REFERENCE') != 'RHF':
raise ValidationError("""Error: %s requires 'reference rhf'.""" % name)
# Bypass the scf call if a reference wavefunction is given
ref_wfn = kwargs.get('ref_wfn', None)
if ref_wfn is None:
ref_wfn = scf_helper(name, **kwargs) # C1 certified
if core.get_option('FNOCC', 'USE_DF_INTS') == False:
# Ensure IWL files have been written
proc_util.check_iwl_file_from_scf_type(core.get_option('SCF', 'SCF_TYPE'), ref_wfn)
else:
scf_aux_basis = core.BasisSet.build(ref_wfn.molecule(), "DF_BASIS_SCF",
core.get_option("SCF", "DF_BASIS_SCF"),
"JKFIT", core.get_global_option('BASIS'),
puream=ref_wfn.basisset().has_puream())
ref_wfn.set_basisset("DF_BASIS_SCF", scf_aux_basis)
fnocc_wfn = core.fnocc(ref_wfn)
# set current correlation energy and total energy. only need to treat mpn here.
if name == 'mp3':
emp3 = core.get_variable("MP3 TOTAL ENERGY")
cemp3 = core.get_variable("MP3 CORRELATION ENERGY")
core.set_variable("CURRENT ENERGY", emp3)
core.set_variable("CURRENT CORRELATION ENERGY", cemp3)
elif name == 'fno-mp3':
emp3 = core.get_variable("MP3 TOTAL ENERGY")
cemp3 = core.get_variable("MP3 CORRELATION ENERGY")
core.set_variable("CURRENT ENERGY", emp3)
core.set_variable("CURRENT CORRELATION ENERGY", cemp3)
elif name == 'mp4(sdq)':
emp4sdq = core.get_variable("MP4(SDQ) TOTAL ENERGY")
cemp4sdq = core.get_variable("MP4(SDQ) CORRELATION ENERGY")
core.set_variable("CURRENT ENERGY", emp4sdq)
core.set_variable("CURRENT CORRELATION ENERGY", cemp4sdq)
elif name == 'fno-mp4(sdq)':
emp4sdq = core.get_variable("MP4(SDQ) TOTAL ENERGY")
cemp4sdq = core.get_variable("MP4(SDQ) CORRELATION ENERGY")
core.set_variable("CURRENT ENERGY", emp4sdq)
core.set_variable("CURRENT CORRELATION ENERGY", cemp4sdq)
elif name == 'fno-mp4':
emp4 = core.get_variable("MP4 TOTAL ENERGY")
cemp4 = core.get_variable("MP4 CORRELATION ENERGY")
core.set_variable("CURRENT ENERGY", emp4)
core.set_variable("CURRENT CORRELATION ENERGY", cemp4)
elif name == 'mp4':
emp4 = core.get_variable("MP4 TOTAL ENERGY")
cemp4 = core.get_variable("MP4 CORRELATION ENERGY")
core.set_variable("CURRENT ENERGY", emp4)
core.set_variable("CURRENT CORRELATION ENERGY", cemp4)
optstash.restore()
return fnocc_wfn
def run_cepa(name, **kwargs):
"""Function encoding sequence of PSI module calls for
a cepa-like calculation.
>>> energy('cepa(1)')
"""
kwargs = p4util.kwargs_lower(kwargs)
# save user options
optstash = p4util.OptionsState(
['TRANSQT2', 'WFN'],
['FNOCC', 'NAT_ORBS'],
['FNOCC', 'RUN_CEPA'],
['FNOCC', 'USE_DF_INTS'],
['FNOCC', 'CEPA_NO_SINGLES'])
core.set_local_option('FNOCC', 'RUN_CEPA', True)
core.set_local_option('FNOCC', 'USE_DF_INTS', False)
# what type of cepa?
if name in ['lccd', 'fno-lccd']:
cepa_level = 'cepa(0)'
core.set_local_option('FNOCC', 'CEPA_NO_SINGLES', True)
elif name in ['cepa(0)', 'fno-cepa(0)', 'lccsd', 'fno-lccsd']:
cepa_level = 'cepa(0)'
core.set_local_option('FNOCC', 'CEPA_NO_SINGLES', False)
elif name in ['cepa(1)', 'fno-cepa(1)']:
cepa_level = 'cepa(1)'
elif name in ['cepa(3)', 'fno-cepa(3)']:
cepa_level = 'cepa(3)'
elif name in ['acpf', 'fno-acpf']:
cepa_level = 'acpf'
elif name in ['aqcc', 'fno-aqcc']:
cepa_level = 'aqcc'
elif name in ['cisd', 'fno-cisd']:
cepa_level = 'cisd'
else:
raise ValidationError("""Error: %s not implemented\n""" % name)
core.set_local_option('FNOCC', 'CEPA_LEVEL', cepa_level.upper())
if name in ['fno-lccd', 'fno-lccsd', 'fno-cepa(0)', 'fno-cepa(1)', 'fno-cepa(3)',
'fno-acpf', 'fno-aqcc', 'fno-cisd']:
core.set_local_option('FNOCC', 'NAT_ORBS', True)
# throw an exception for open-shells
if core.get_option('SCF', 'REFERENCE') != 'RHF':
raise ValidationError("""Error: %s requires 'reference rhf'.""" % name)
ref_wfn = kwargs.get('ref_wfn', None)
if ref_wfn is None:
ref_wfn = scf_helper(name, **kwargs) # C1 certified
if core.get_option('FNOCC', 'USE_DF_INTS') == False:
# Ensure IWL files have been written
proc_util.check_iwl_file_from_scf_type(core.get_option('SCF', 'SCF_TYPE'), ref_wfn)
else:
scf_aux_basis = core.BasisSet.build(ref_wfn.molecule(), "DF_BASIS_SCF",
core.get_option("SCF", "DF_BASIS_SCF"),
"JKFIT", core.get_global_option('BASIS'),
puream=ref_wfn.basisset().has_puream())
ref_wfn.set_basisset("DF_BASIS_SCF", scf_aux_basis)
fnocc_wfn = core.fnocc(ref_wfn)
# one-electron properties
if core.get_option('FNOCC', 'DIPMOM'):
if cepa_level in ['cepa(1)', 'cepa(3)']:
core.print_out("""\n Error: one-electron properties not implemented for %s\n\n""" % name)
elif core.get_option('FNOCC', 'NAT_ORBS'):
core.print_out("""\n Error: one-electron properties not implemented for %s\n\n""" % name)
else:
p4util.oeprop(fnocc_wfn, 'DIPOLE', 'QUADRUPOLE', 'MULLIKEN_CHARGES', 'NO_OCCUPATIONS', title=cepa_level.upper())
optstash.restore()
return fnocc_wfn
def run_detcas(name, **kwargs):
"""Function encoding sequence of PSI module calls for
determinant-based multireference wavefuncations,
namely CASSCF and RASSCF.
"""
optstash = p4util.OptionsState(
['DETCI', 'WFN'],
['SCF', 'SCF_TYPE']
)
user_ref = core.get_option('DETCI', 'REFERENCE')
if user_ref not in ['RHF', 'ROHF']:
raise ValidationError('Reference %s for DETCI is not available.' % user_ref)
if name == 'rasscf':
core.set_local_option('DETCI', 'WFN', 'RASSCF')
elif name == 'casscf':
core.set_local_option('DETCI', 'WFN', 'CASSCF')
else:
raise ValidationError("Run DETCAS: Name %s not understood" % name)
ref_wfn = kwargs.get('ref_wfn', None)
if ref_wfn is None:
ref_optstash = p4util.OptionsState(
['SCF_TYPE'],
['DF_BASIS_SCF'],
['DF_BASIS_MP2'],
['ONEPDM'],
['OPDM_RELAX']
)
# No real reason to do a conventional guess
if not core.has_option_changed('SCF', 'SCF_TYPE'):
core.set_global_option('SCF_TYPE', 'DF')
# If RHF get MP2 NO's
# Why doesnt this work for conv?
if ((core.get_option('SCF', 'SCF_TYPE') == 'DF') and (user_ref == 'RHF') and
(core.get_option('DETCI', 'MCSCF_TYPE') in ['DF', 'AO']) and
(core.get_option("DETCI", "MCSCF_GUESS") == "MP2")):
core.set_global_option('ONEPDM', True)
core.set_global_option('OPDM_RELAX', False)
ref_wfn = run_dfmp2_gradient(name, **kwargs)
else:
ref_wfn = scf_helper(name, **kwargs)
# Ensure IWL files have been written
if (core.get_option('DETCI', 'MCSCF_TYPE') == 'CONV'):
mints = core.MintsHelper(ref_wfn.basisset())
mints.set_print(1)
mints.integrals()
ref_optstash.restore()
# The DF case
if core.get_option('DETCI', 'MCSCF_TYPE') == 'DF':
if not core.has_option_changed('SCF', 'SCF_TYPE'):
core.set_global_option('SCF_TYPE', 'DF')
scf_aux_basis = core.BasisSet.build(ref_wfn.molecule(), "DF_BASIS_SCF",
core.get_option("SCF", "DF_BASIS_SCF"),
"JKFIT", core.get_global_option('BASIS'),
puream=ref_wfn.basisset().has_puream())
ref_wfn.set_basisset("DF_BASIS_SCF", scf_aux_basis)
# The AO case
elif core.get_option('DETCI', 'MCSCF_TYPE') == 'AO':
if not core.has_option_changed('SCF', 'SCF_TYPE'):
core.set_global_option('SCF_TYPE', 'DIRECT')
# The conventional case
elif core.get_option('DETCI', 'MCSCF_TYPE') == 'CONV':
if not core.has_option_changed('SCF', 'SCF_TYPE'):
core.set_global_option('SCF_TYPE', 'PK')
# Ensure IWL files have been written
proc_util.check_iwl_file_from_scf_type(core.get_option('SCF', 'SCF_TYPE'), ref_wfn)
else:
raise ValidationError("Run DETCAS: MCSCF_TYPE %s not understood." % str(core.get_option('DETCI', 'MCSCF_TYPE')))
# Second-order SCF requires non-symmetric density matrix support
if core.get_option('DETCI', 'MCSCF_ALGORITHM') in ['AH', 'OS']:
proc_util.check_non_symmetric_jk_density("Second-order MCSCF")
ciwfn = mcscf.mcscf_solver(ref_wfn)
# We always would like to print a little dipole information
oeprop = core.OEProp(ciwfn)
oeprop.set_title(name.upper())
oeprop.add("DIPOLE")
oeprop.compute()
ciwfn.set_oeprop(oeprop)
core.set_variable("CURRENT DIPOLE X", core.get_variable(name.upper() + " DIPOLE X"))
core.set_variable("CURRENT DIPOLE Y", core.get_variable(name.upper() + " DIPOLE Y"))
core.set_variable("CURRENT DIPOLE Z", core.get_variable(name.upper() + " DIPOLE Z"))
optstash.restore()
return ciwfn
def run_efp(name, **kwargs):
"""Function encoding sequence of module calls for a pure EFP
computation (ignore any QM atoms).
"""
# initialize library
efp = core.get_active_efp()
if efp.nfragments() == 0:
raise ValidationError("""Method 'efp' not available without EFP fragments in molecule""")
# set options
core.set_global_option('QMEFP', False) # apt to go haywire if set locally to efp
core.efp_set_options()
efp.print_out()
returnvalue = efp.compute()
return returnvalue
