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First‐Order perturbation treatment of the short‐range repulsion in a system of many closed‐shell atoms or molecules

Jeziorski, Bogumił, Bulski, Marek, Piela, Lucjan·1976·International Journal of Quantum Chemistry

Abstract

Assuming a determinantal form for the wave‐functions of free molecules, explicit formula for the first‐order interaction energy of many closed‐shell molecules has been derived. Provided that the determinants describing the free molecules are constructed from the Hartree‐Fock orbitals, the two‐, three‐, and four‐body effects predicted by the first‐order perturbation theory are closely related to those which one obtains in the framework of the Löwdin LCAO MO‐type approach. The results are illustrated by numerical calculations for the system of three ground‐state helium atoms.

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Metadata

Authors
Jeziorski, B., Bulski, M., & Piela, L.
Venue
International Journal of Quantum Chemistry
Publisher
Wiley
Published
1976-03
Volume
10
Issue
2
Pages
281-297
ISSN
  • 0020-7608 (ISSN-L)
  • 1097-461X
OpenAlex
W1994884437
Cited by
167
References
0
FWCI
2.39
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: First‐Order perturbation treatment of the short‐range repulsion in a system of many closed‐shell atoms or molecules. https://app.cochat.ai/papers/10.1002/qua.560100208
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Jeziorski, B., Bulski, M., & Piela, L. (1976). First‐Order perturbation treatment of the short‐range repulsion in a system of many closed‐shell atoms or molecules. International Journal of Quantum Chemistry. https://doi.org/10.1002/qua.560100208

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.