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

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

We describe a two-component cocrystal composition which appears in two stoichiometric variations exhibiting different supramolecular architectures: whereas one stoichiometric variation displays C–HO hydrogen bonds, the second form exhibits short IO halogen bonds alongside Iπ halogen-bonded contacts;...

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Bibliographic Details
Main Authors: Oh, Se Ye., Nickels, Christopher W., Garcia, Felipe., Jones, William., Friščić, Tomislav.
Other Authors: School of Physical and Mathematical Sciences
Format: Article
Language:English
Published: 2013
Online Access:https://hdl.handle.net/10356/95796
http://hdl.handle.net/10220/10826
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Institution: Nanyang Technological University
Language: English
Description
Summary:We describe a two-component cocrystal composition which appears in two stoichiometric variations exhibiting different supramolecular architectures: whereas one stoichiometric variation displays C–HO hydrogen bonds, the second form exhibits short IO halogen bonds alongside Iπ halogen-bonded contacts; the two forms are readily prepared mechanochemically by varying the relative amounts of starting materials in a liquid-assisted grinding process.

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