Issue 31, 2011

Conformational polymorphs of 1,1,2,2-tetrachloroethane: pressure vs. temperature

Abstract

Directional Cl⋯Cl type I and II interactions govern the low-density aggregation of 1,1,2,2-tetrachloroethane molecules in synclinal conformation in the crystalline state at low temperature, whereas the dense molecular packing in high-pressure is achieved for the antiperiplanar conformers and electrostatically less favored Cl⋯Cl contacts. The mechanism of transformation between loose and dense associations involves the collapse of Cl⋯Cl contacts and conformational conversion.

Graphical abstract: Conformational polymorphs of 1,1,2,2-tetrachloroethane: pressure vs. temperature

Supplementary files

Article information

Article type
Communication
Submitted
04 Feb 2011
Accepted
09 May 2011
First published
26 May 2011

Chem. Commun., 2011,47, 8769-8771

Conformational polymorphs of 1,1,2,2-tetrachloroethane: pressure vs. temperature

M. Bujak, D. Bläser, A. Katrusiak and R. Boese, Chem. Commun., 2011, 47, 8769 DOI: 10.1039/C1CC10689A

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