.. _`apdx:omp2_psivar`: OMP2 ==== Performs quadratically convergence orbital-optimized MP2 computations. .. hlist:: :columns: 1 * :psivar:`OMP2 TOTAL ENERGY ` * :psivar:`SCS-OMP2 TOTAL ENERGY ` * :psivar:`SOS-OMP2 TOTAL ENERGY `