期刊
CRYSTENGCOMM
卷 24, 期 40, 页码 7118-7124出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d2ce00916a
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资金
- Postdoc Research Scholarship for Female Early Career Researchers within the framework of the Free State of Bavaria's `Programme to Realise Equal Opportunities for Women in Research and Teaching' in the University of Regensburg
A solid-to-solid transformation accompanied by a unit cell change and the vanishing of crystallographic disorder was observed for a Ta-based peanut-shaped supramolecule crystal under X-rays.
As often observed for supramolecules, a crystal of a Ta-based peanut-shaped supramolecule [{Cp '' Ta(CO)(2)(eta(4)-P-4)}(10)(CuI)(14)] (1) decays under X-rays. Unexpectedly, a solid-to-solid transformation evidenced by a unit cell change took place on irradiation prior to the complete decay. This unusual behaviour was studied with the same single crystal of 1. According to the results of the structure refinement interpreted using OD theory, crystals of 1 continuously change their macro-structure which is accompanied by an increase of space group symmetry and by vanishing of crystallographic disorder.
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