期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 57, 期 35, 页码 11325-11328出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201806431
关键词
copper(II); crystallography; flexible crystals; supramolecular; thermal expansion
资金
- Australian Research Council
- University of Queensland, Queensland University of Technology (QUT)
- Central Analytical Research Facility (CARF, QUT)
- M.G. & R.A. Plowman Scholarship in Inorganic Chemistry
- Australian Synchrotron
Elastically flexible crystals form an emerging class of materials that exhibit a range of notable properties. The mechanism of thermal expansion in flexible crystals of bis(acetylacetonato)copper(II) is compared with the mechanism of molecular motion induced by bending and it is demonstrated that the two mechanisms are distinct. Upon bending, individual molecules within the crystal structure reversibly rotate, while thermal expansion results predominantly in an increase in intermolecular separations with only minor changes to molecular orientation through rotation.
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