Difference between the exact non-relativistic electronic energy and the Hartree-Fock energy — the 'missing' correlation that arises from instantaneous electron-electron avoidance. Captured hierarchically by MP2 → CCSD → CCSD(T) → full-CI…
Difference between the exact non-relativistic electronic energy and the Hartree-Fock energy — the 'missing' correlation that arises from instantaneous electron-electron avoidance. Captured hierarchically by MP2 → CCSD → CCSD(T) → full-CI…