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Issue 3, 2018
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Loose crystals engineered by mismatched halogen bonds in hexachloroethane

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Abstract

Distortions of the directional requirements in halogen⋯halogen contacts between hexachloroethane (HCE), C2Cl6, molecules lead to a loose crystal under ambient conditions. Single-crystal X-ray diffraction shows that the orthorhombic HCE phase of space group Pnma, with the molecules in the staggered conformation, extends at least from 85 to 305 K and from 0.1 MPa to 5.42 GPa. At ambient pressure, all intermolecular distances are longer than the sum of van der Waals radii, reached only at the pressure of ca. 1.2 GPa.

Graphical abstract: Loose crystals engineered by mismatched halogen bonds in hexachloroethane

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Supplementary files

Article information


Submitted
14 Nov 2017
Accepted
06 Dec 2017
First published
07 Dec 2017

CrystEngComm, 2018,20, 328-333
Article type
Paper

Loose crystals engineered by mismatched halogen bonds in hexachloroethane

M. Bujak, M. Podsiadło and A. Katrusiak, CrystEngComm, 2018, 20, 328
DOI: 10.1039/C7CE01980G

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