.. table:: Spin-Component-Scaled Double-Hybrid functionals available in |PSIfour| +----------------------+----------------------------------------------------------------------------------+------------+------------+------------+------------+------------+------------+----------------------+----------------------+--------------------------------------------------------------+ | Name | Description | GGA? | Meta? | X_LRC? | X_Hybrid? | C_LRC? | C_Hybrid? | C_SCS? SS/OS | Dispersion? | Dispersion Description | +======================+==================================================================================+============+============+============+============+============+============+======================+======================+==============================================================+ | DSD-BLYP | DSD-BLYP Dispersion-corrected SCS Double Hybrid XC Functional | Y | --- | --- | 0.710000 | --- | 1.000000 | 0.430000 / 0.460000 | -D2 | Grimme's -D2 Dispersion Correction | +----------------------+----------------------------------------------------------------------------------+------------+------------+------------+------------+------------+------------+----------------------+----------------------+--------------------------------------------------------------+ | DSD-PBEP86 | DSD-PBEP86 Dispersion-corrected SCS Double Hybrid XC Functional (opt. for -D2) | Y | --- | --- | 0.680000 | --- | 1.000000 | 0.230000 / 0.510000 | -D2 | Grimme's -D2 Dispersion Correction | +----------------------+----------------------------------------------------------------------------------+------------+------------+------------+------------+------------+------------+----------------------+----------------------+--------------------------------------------------------------+ | DSD-PBEPBE | DSD-PBEPBE Dispersion-corrected SCS Double Hybrid XC Functional | Y | --- | --- | 0.660000 | --- | 1.000000 | 0.120000 / 0.530000 | -D2 | Grimme's -D2 Dispersion Correction | +----------------------+----------------------------------------------------------------------------------+------------+------------+------------+------------+------------+------------+----------------------+----------------------+--------------------------------------------------------------+ | wB97X-2(LP) | Double Hybrid LRC B97 GGA XC Functional (Large Pople parametrization) | Y | --- | 0.300000 | 0.678792 | --- | 1.000000 | 0.581569 / 0.477992 | --- | --- | +----------------------+----------------------------------------------------------------------------------+------------+------------+------------+------------+------------+------------+----------------------+----------------------+--------------------------------------------------------------+ | wB97X-2(TQZ) | Double Hybrid LRC B97 GGA XC Functional (TQZ parametrization) | Y | --- | 0.300000 | 0.636158 | --- | 1.000000 | 0.529319 / 0.447105 | --- | --- | +----------------------+----------------------------------------------------------------------------------+------------+------------+------------+------------+------------+------------+----------------------+----------------------+--------------------------------------------------------------+