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The dispersion interaction between closed-shell atoms. Accurate analytical expressions for multipole dispersion coefficients for the interaction between hydrogen atoms

✍ Scribed by R. Luyckx

Publisher: Elsevier Science
Year: 1983
Tongue: English
Weight: 387 KB
Volume: 95
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(83)87240-6

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✦ Synopsis

A simple variation method is employed to obtain an expression for the dispersion interaction of closed-shell atoms in term of sum rule properties of the dynamic multipole polarizabilities of the interacting atoms. An analytical es&e&on for the dispersion cocfficicnts for the interaction of hydrogen atoms is obtained, using exact expressions for the sum NW of atomic hydropen.

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The dispersion interaction between closed-shell atoms. The relation between the variation—perturbation method and sum rule methods

✍ R. Luyckx 📂 Article 📅 1983 🏛 Elsevier Science 🌐 English ⚖ 406 KB

The relation between the variation-perturbation method and sum rule methods is explored. Thevariation-perturbation method is a simple method which yields accurate numerical results for all higher-order multipole dispersion coefficients. T&is method is related to a method which obtains bounds on dis