Showing posts with label MP2. Show all posts
Showing posts with label MP2. Show all posts

Wednesday, April 8, 2026

Møller–Plesset Perturbation Theory (MP2)

 Møller–Plesset Perturbation Theory (MP2)

  • Hartree–Fock (HF) → ignores electron correlation  
  • CI → includes correlation but very expensive

So we need a method that is

Coupled Cluster Theory

  Coupled Cluster Theory (CC Theory) Introduction to CC Theory Coupled Cluster (CC) is one of the most accurate methods for calculating ...