Title: coupled cluster method
Long Title: IUPAC Gold Book - coupled cluster method
DOI: 10.1351/goldbook.CT07014
Status: current

Definition
A method employed in ab initio quantum mechanical calculations providing for a higher-level treatment of electron correlation beyond MP4.

Related Term
- electron correlation: https://goldbook.iupac.org//terms/view/E01984

Source
- PAC, 1999, 71, 1919. 'Glossary of terms used in theoretical organic chemistry' on page 1932 (https://doi.org/10.1351/pac199971101919)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/CT07014/html
- json: https://goldbook.iupac.org/terms/view/CT07014/json
- xml: https://goldbook.iupac.org/terms/view/CT07014/xml

Citation: Citation: 'coupled cluster method' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.CT07014
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Accessed: 2026-06-29T17:52:44+00:00