ISSN:
1572-9001
Keywords:
CH4 trimer
;
symmetry-adapted perturbation theory
;
nonadditive three-body effect
Source:
Springer Online Journal Archives 1860-2000
Topics:
Chemistry and Pharmacology
Notes:
Abstract The interaction energy for the cyclic CH4 trimer is studied in terms of symmetry-adapted perturbation theory. The interaction energy around the van der Waals minimum is dominated by attractive dispersion energy, and the repulsive contribution at the smaller angle region is due to the first-order exchange energy. The total interaction energy is approximated by additive two-body components, because of a mutual cancellation between nonadditive three-body ones.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF02293122
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