Plasticity and Ferroelasticity Transitions of Molecular Complex [(C4H9N2)2][Fe3O(O2CH)9] on Heating and Cooling near Room Temperature

A new molecular ionic complex, [(C4H9N2)2]­[Fe3O­(O2CH)9] (1), is constructed by an oxo-centered trinuclear iron anion and a semi-rigid ring-like cation 1,4,5,6-tetrahydropyrimidin-ium, which is generated in situ by reacting formic acid and 1,3-propylenediamine. The molecular motion change of anions...

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Published in:Crystal growth & design 2022-05, Vol.22 (5), p.3428-3434
Main Authors: Ni, Guo-Hao, Sun, Ying-Xi, Ji, Cui-Xian, Jin, Ya-Wei, Liu, Meng-Yuan, Zhao, Jiong-Peng, Liu, Fu-Chen
Format: Article
Language:English
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Summary:A new molecular ionic complex, [(C4H9N2)2]­[Fe3O­(O2CH)9] (1), is constructed by an oxo-centered trinuclear iron anion and a semi-rigid ring-like cation 1,4,5,6-tetrahydropyrimidin-ium, which is generated in situ by reacting formic acid and 1,3-propylenediamine. The molecular motion change of anions and cations produces continuously reversible plasticity and ferroelasticity transition on heating and cooling near room temperature.
ISSN:1528-7483
1528-7505
DOI:10.1021/acs.cgd.2c00219