Issue 18, 2011

Engineering molecular crystals with abnormally weak cohesion

Abstract

Adding astutely placed methyl groups to hexaphenylbenzene increases molecular weight but simultaneously weakens key C–H⋯π interactions, thereby leading to decreased enthalpies of sublimation and showing that materials with abnormally weak cohesion can be made by identifying and then obstructing interactions that help control association.

Graphical abstract: Engineering molecular crystals with abnormally weak cohesion

Supplementary files

Article information

Article type
Communication
Submitted
14 feb. 2011
Accepted
16 mar. 2011
First published
30 mar. 2011

Chem. Commun., 2011,47, 5163-5165

Engineering molecular crystals with abnormally weak cohesion

K. E. Maly, E. Gagnon and J. D. Wuest, Chem. Commun., 2011, 47, 5163 DOI: 10.1039/C1CC10866B

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