Issue 19, 2012

Switching between halogen- and hydrogen-bonding in stoichiometric variations of a cocrystal of a phosphine oxide

Abstract

We describe a two-component cocrystal composition which appears in two stoichiometric variations exhibiting different supramolecular architectures: whereas one stoichiometric variation displays C–H⋯O hydrogen bonds, the second form exhibits short I⋯O halogen bonds alongside I⋯π halogen-bonded contacts; the two forms are readily prepared mechanochemically by varying the relative amounts of starting materials in a liquid-assisted grinding process.

Graphical abstract: Switching between halogen- and hydrogen-bonding in stoichiometric variations of a cocrystal of a phosphine oxide

Supplementary files

Article information

Article type
Communication
Submitted
27 Apr 2012
Accepted
18 May 2012
First published
23 May 2012

CrystEngComm, 2012,14, 6110-6114

Switching between halogen- and hydrogen-bonding in stoichiometric variations of a cocrystal of a phosphine oxide

S. Y. Oh, C. W. Nickels, F. Garcia, W. Jones and T. Friščić, CrystEngComm, 2012, 14, 6110 DOI: 10.1039/C2CE25653C

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