Issue 30, 2018

A thermo-responsive structural switch and colossal anisotropic thermal expansion in a chiral organic solid

Abstract

Trianglimine, a chiral triangular-shaped hexaimine, exists in at least three apohost polymorphic forms. Form I had been previously obtained by crystallisation from a mixture of dichloromethane and acetonitrile and we have now crystallised Form II from acetone. Both forms possess similar packing arrangements, but Form II undergoes a reversible phase transition to Form III, as well as colossal anisotropic positive thermal expansion. Form I does not exhibit any remarkable thermal properties.

Graphical abstract: A thermo-responsive structural switch and colossal anisotropic thermal expansion in a chiral organic solid

Supplementary files

Article information

Article type
Communication
Submitted
03 Feb 2018
Accepted
21 Mar 2018
First published
21 Mar 2018

Chem. Commun., 2018,54, 3727-3730

A thermo-responsive structural switch and colossal anisotropic thermal expansion in a chiral organic solid

A. Janiak, C. Esterhuysen and L. J. Barbour, Chem. Commun., 2018, 54, 3727 DOI: 10.1039/C8CC00952J

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