Stabilization of Long-Lived Metastable State in Long Alkylated Spin-Crossover Cobalt(II) Compound

Autor: Kazuya Kato, Hokuto Yoshizaki, Satoshi Kawata, Yuuki Yamamoto, Akira Fuyuhiro, Yoshihiro Kojima, Daisuke Urakami, Shinya Hayami, Katsuya Inoue
Rok vydání: 2010
Předmět:
Zdroj: Inorganic Chemistry. 49:1428-1432
ISSN: 1520-510X
0020-1669
DOI: 10.1021/ic9015417
Popis: The A mixed crystal compound [Co(0.8)Fe(0.2)(C16-terpy)(2)](BF(4))(2) (2) (C16-terpy is 4'-hexadecyloxy-2,2':6',2''-terpyridine) with long alkyl chains was prepared by mixing [Co(C16-terpy)(2)](BF(4))(2) (1), which exhibits unique magnetic behavior, and the diamagnetic iron(II) compound [Fe(C16-terpy)(2)](BF(4))(2) (3). The long-lived metastable state in the frozen-in effect was observed for the first time in the spin-crossover cobalt(II) compound 2. Furthermore, relaxation from metastable to stable states was very slow because of a large structural transition resulting from the long alkyl chains.
Databáze: OpenAIRE