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Issue 31, 2011
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Conformational polymorphs of 1,1,2,2-tetrachloroethane: pressure vs. temperature

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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

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Publication details

The article was received on 04 Feb 2011, accepted on 09 May 2011 and first published on 26 May 2011


Article type: Communication
DOI: 10.1039/C1CC10689A
Citation: Chem. Commun., 2011,47, 8769-8771
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    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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