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Two dumbbell-shaped polymorphs possess similar packing arrangements, but one shows anomalously anisotropic thermal expansion while the other does not.
Leonard J. Barbour and his team from the University of Stellenbosch, in South Africa and a co-worker from the Polish Academy of Sciences, have investigated these polymorphs further and discovered that by adjusting the molecular stacking angle by approximately 10° effectively disables the molecules’ ability to undergo thermal expansion. Fancy expanding your knowledge? Then why not download the ChemComm communication today and read all about the teams research results? This article is free to access until Friday 3rd June. |
