correlation energy

https://doi.org/10.1351/goldbook.C01349
The difference between the @H02747@–Fock energy calculated for a system and the exact non-relativistic energy of that system. The correlation energy arises from the approximate representation of the electron-electron repulsions in the @H02747@–Fock method.
Source:
PAC, 1996, 68, 2223. (Glossary of terms used in photochemistry (IUPAC Recommendations 1996)) on page 2234 [Terms] [Paper]
Citation: 'correlation energy' in IUPAC Compendium of Chemical Terminology, 3rd ed. International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. https://doi.org/10.1351/goldbook.C01349 RIS BibTex EndNote
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Last revised: February 24, 2014