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Determination of the size-consistency error in the single and double excitation configuration interaction model

✍ Scribed by Rodney J. Bartlett; Isaiah Shavitt


Book ID
104579214
Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
466 KB
Volume
12
Category
Article
ISSN
0020-7608

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πŸ“œ SIMILAR VOLUMES


A doubles correction to electronic excit
✍ Martin Head-Gordon; Rudolph J. Rico; Manabu Oumi; Timothy J. Lee πŸ“‚ Article πŸ“… 1994 πŸ› Elsevier Science 🌐 English βš– 819 KB

A perturbative correction to the method of configuration interaction with single substitutions (CIS) is presented. This CIS( D) correction approximately introduces the effect of double substitutions which are absent in CIS excited states. CIS (D) is a secondorder perturbation expansion of the couple