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Issue 2, 2007
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Additive induced polymorphous behavior of a conformationally locked hexol

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Abstract

The influence of molecular additives on the crystal structure adopted by a C2h symmetric, conformationally locked hexol 2 forms the object of the present study. It has been observed that the polycyclitol 2 crystallizes in two polymorphic (α and β forms) and one pseudopolymorphic (monohydrate) modification, depending on the presence and nature of the additive employed. Thus, with the sole exception of trimesic acid, which induces 2 to crystallize in the denser β form, the molecular additives screened in this study either failed to promote polymorphism in 2 or caused it to crystallize as a monohydrate. The putative role of trimesic acid in providing an alternate crystallization pathway to the polyol 2 has been discussed.

Graphical abstract: Additive induced polymorphous behavior of a conformationally locked hexol

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Supplementary files

Article information


Submitted
25 Sep 2006
Accepted
05 Dec 2006
First published
12 Dec 2006

CrystEngComm, 2007,9, 144-151
Article type
Paper

Additive induced polymorphous behavior of a conformationally locked hexol

G. Mehta, S. Sen and K. Venkatesan, CrystEngComm, 2007, 9, 144
DOI: 10.1039/B613949C

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