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Updated: Jun 24, 2025

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Off-the-shelf thermosalience of anthracene-9-thiocarboxamide
Gary C George1, Samantha J Kruse2, Tori Z Forbes2
1Department of Chemistry, University of Missouri, Columbia, Missouri 65211, USA. kristin.hutchins@missouri.edu.
Abstract:
We demonstrate thermosalient behavior in anthracene-9-thiocarboxamide. Upon cooling, the crystalline material spontaneously fractures and jumps. Strong anisotropic thermal expansion precedes thermosalience, and the combination of hydrogen bonds and weaker interlayer interactions affords the macroscopic response. By incorporating structural moieties from different classes of thermosalient solids and using an underexplored supramolecular synthon, a dynamic, multi-functional material is achieved.
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