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Issue 83, 2014
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Gauche preference in 1,2-difluoroethane originates from both orbital and electrostatic stabilization interactions

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Abstract

The origin of the gauche preference in 1,2-difluoroethane has been investigated by using an energy decomposition analysis (EDA). The EDA results show that favourable orbital interactions are not the sole source of stabilization in this conformer. Electrostatic interactions, too, are more attractive in the gauche than in the anti form. This finding opposes our traditional view of electrostatic interactions and their influence on conformational equilibria, but points out that they should be considered as an all-charge phenomenon, rather than partial interaction between pairs of bonds.

Graphical abstract: Gauche preference in 1,2-difluoroethane originates from both orbital and electrostatic stabilization interactions

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Supplementary files

Article information


Submitted
31 Jul 2014
Accepted
05 Sep 2014
First published
05 Sep 2014

RSC Adv., 2014,4, 43834-43838
Article type
Paper

Gauche preference in 1,2-difluoroethane originates from both orbital and electrostatic stabilization interactions

M. Baranac-Stojanović, RSC Adv., 2014, 4, 43834 DOI: 10.1039/C4RA07909D

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