Polymorphs of 1,1-bis(4-hydroxyphenyl)cyclohexane and multiple Z? crystal structures by melt and sublimation crystallization
- 12 October 2006
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Chemical Communications
- No. 47,p. 4918-4920
- https://doi.org/10.1039/b610323e
Abstract
Close packing conflict in a metastable polymorph of the pure title host (Z′ = 2, melt crystal 1m) is resolved in the stable form (Z′ = 1, sublimed crystal 1s) as O–H⋯O hydrogen bond changes to O–H⋯π interaction. Melt crystallization and sublimation show a greater percentage of high Z′ structures in CSD statistics.Keywords
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