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Solvent and Dihalide Substituent Effects on Crystal Structure, Spin‐Crossover Behavior and Conductivity of the Cationic Mn(III) Complexes with Electroactive TCNQ Counteranionsстатья
- Авторы: Tiunova Aleksandra V., Korchagin Denis V., Kazakova Anna V., Shilov Gennady V., Buravov Lev I., Dmitriev Aleksei I., Zhidkov Mikhail V., Zverev Vladimir N., Yagubskii Eduard B., Aldoshin Sergei M.
- Журнал: European Journal of Inorganic Chemistry
- Год издания: 2024
- Издательство: John Wiley & Sons Ltd.
- Местоположение издательства: United Kingdom
- DOI: 10.1002/ejic.202300749
- Аннотация: Cationic Mn(III) complexes with 3,5-Hal-sal2323 (Hal=diCl, diBr, BrCl) ligands containing electroactive TCNQ anions as counterions have been synthesized: [Mn(3,5-diCl-sal2323)](TCNQ)2 (1), [Mn(3,5-diBr-sal2323)]2(TCNQ)3⋅6CH3CN (2), and [Mn(3,5-Br,Cl-sal2323)]2(TCNQ)3⋅6CH3CN (3). The crystal structures, magnetic and conducting properties of the obtained compounds have been investigated. In 1, an incomplete spin transition from the low-spin (LS) state at 100 K to the high-spin (HS) state upon heating to 400 K is observed. Isostructural complexes 2 and 3 contain 6 molecules of solvated acetonitrile, which is lost upon heating, accompanied by the crystal structure transformation. As a result, desolvated complexes jump to the HS state. The temperature dependences of resistivity 2 and 3 show resistivity jumps associated with the loss of lattice solvent.
- Добавил в систему: Корчагин Денис Владимирович