Molecular crystals have recently started to shake their inflexible reputation. Now, copper(II) acetylacetonate needles have been shown to be very flexible, and their mechanical deformation has been assessed through materials constants using methods customarily reserved for non-molecular materials.
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Kahr, B., Ward, M. Stressed out crystals. Nature Chem 10, 4–6 (2018). https://doi.org/10.1038/nchem.2913
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DOI: https://doi.org/10.1038/nchem.2913
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