Cocrystals Definitions

Cocrystals may be stabilized by different types of interactions, besides that of hydrogen bonding-the only type of stabilization specified in the current definitions. There are, for instance, van der Waals forces, π-π interactions, and halogen bonding, among others. The current definitions of cocrys...

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Bibliographic Details
Published in:Supramolecular chemistry 2007-12, Vol.19 (8), p.553-557
Main Authors: LARA-OCHOA, F., ESPINOSA-PÉREZ, G.
Format: Article
Language:English
Subjects:
Cocrystals
Halogen binding
Heterosynthons
Hydrogen bond
Synthons
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Summary:Cocrystals may be stabilized by different types of interactions, besides that of hydrogen bonding-the only type of stabilization specified in the current definitions. There are, for instance, van der Waals forces, π-π interactions, and halogen bonding, among others. The current definitions of cocrystals do not describe these types of interactions, which may be crucial in determining cocrystal formation in diverse compounds. Herein, we attempt to propose a more universal definition of cocrystals, considering all of the various forces involved, and to place more emphasis on the characterization of cocrystals. Moreover, we highlight some examples of cocrystals that are very clearly stabilized by forces other than hydrogen bonds.
ISSN:1061-0278
1029-0478
DOI:10.1080/10610270701501652