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Issue 53, 2016
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Diversity in a simple co-crystal: racemic and kryptoracemic behaviour

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Abstract

The crystal structure containing (±)-3-methyl-2-phenylbutyramide with salicylic acid is the first example of a kryptoracemate co-crystal. It exhibits the first temperature mediated reversible single-crystal to single-crystal transition between two kryptoracemate forms, in addition to crystallising in another, racemic, form. Theoretical calculations and structural analysis reveal that there are only small differences in both energy and packing arrangements between the three forms. These results suggest that co-crystals can be an opportunity to investigate kryptoracemate behaviour.

Graphical abstract: Diversity in a simple co-crystal: racemic and kryptoracemic behaviour

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Supplementary files

Article information


Submitted
17 May 2016
Accepted
08 Jun 2016
First published
08 Jun 2016

This article is Open Access

Chem. Commun., 2016,52, 8309-8312
Article type
Communication

Diversity in a simple co-crystal: racemic and kryptoracemic behaviour

U. B. Rao Khandavilli, M. Lusi, B. R. Bhogala, A. R. Maguire, M. Stein and S. E. Lawrence, Chem. Commun., 2016, 52, 8309
DOI: 10.1039/C6CC04148E

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