Issue 8, 1987

Computational studies on CH/π interactions

Abstract

Intermolecular interactions in CH/π systems have been studied by PCILO and ab initio MO methods to elucidate the origin of the attractive interactions. In the PCILO calculations, the van der Waals molecules of CH4+ C2Hn(n= 2 or 4) were more stable than that of CH4+ C2H6, and the most stable arrangement was such that the carbon atom in methane is shifted from the C2 axis perpendicular to the C–C–H plane of ethene. Ab initio MO results supported this conclusion and showed also that the main contributions to attractive CH/π interactions come from electrostatic and charge-transfer effects. These results were supported by electrostatic-potential maps of C2H4 and C2H6.

Article information

Article type
Paper

J. Chem. Soc., Perkin Trans. 2, 1987, 1015-1018

Computational studies on CH/π interactions

T. Takagi, A. Tanaka, S. Matsuo, H. Maezaki, M. Tani, H. Fujiwara and Y. Sasaki, J. Chem. Soc., Perkin Trans. 2, 1987, 1015 DOI: 10.1039/P29870001015

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