In an effort to deduce the source of the.cttine internalrotation barrier, we have investigated the contributions of exchange energy and orthogonzlity: ti4io effects that are required by the Pauli principle. Fully ~tisymm~~~e~, ~partially antisymmctrizcd and non-anti;:?nmetrized optimized orbital pro
Theoretical Analysis of the Rotational Barrier of Ethane
โ Scribed by Yirong Mo; Jiali Gao
- Publisher
- John Wiley and Sons
- Year
- 2007
- Weight
- 11 KB
- Volume
- 38
- Category
- Article
- ISSN
- 0931-7597
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โฆ Synopsis
Abstract
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๐ SIMILAR VOLUMES
Receised 7 February -969 Distortional effects on the barrier to L?p?nal rotation of ethane x-e investigated through ab tnttto calculations. yielding a theoretical barrier of 3.071 kcal/mole (experimental 2.928 kcal/mole). The com-Lwted barrier is 3.064 kcal/moIe ior borazane and 1.44 kcal/mole for m
Additive (p&wise) and nonadditive contributions to the rotnrion barrier in cthane arc esplicit!y evaluated with ah-initio calcularions based on two approsimate separations ol the clcctron-nucleus potcnlial. Nonadditivc cffccts beyond three-body xc seen 10 bc negligible, ;I result which un bc wry use