# SEARCH

** Atomic orbitals core correlation **

** Atomic orbitals core energy level **

** Core electrons molecular orbital theory **

** Effective core potentials coupled-cluster spin-orbit effects **

** Frozen-core spin-orbit Hamiltonian **

** Molecular orbital theory effective core potentials **

** Spin-orbit operators relativistic effective core potential **

** Spin-orbit operators relativistic effective core potentials-based **