Mixed-valence states in TCNQ salts of monoalkylbiferrocenes and their mixed crystals with dialkyl derivative |
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| Authors: | Satoru Nakashima Tsuneo Koura Motomi Katada Hirotoshi Sano Izumi Motoyama |
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| Institution: | (1) Department of Chemistry, Faculty of Science, Tokyo Metropolitan University, Fukasawa, Setagaya-ku, 158 Tokyo, Japan;(2) Department of Chemistry, Faculty of Engineering, Kanagawa University, Rokkakubashi, Kanagawa-ku, 221 Yokohama, Japan;(3) Present address: Department of Chemistry, Odense University, Campusvej, 55-DK-5230 Odense M, Denmark |
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| Abstract: | TCNQ salts of 1 -monoalkylbiferrocenes showed a temperature-independent trapped-valence state as expected for the unsymmetrical structure of cations. On the other hand, mixed crystals of 1-monobutyl- and 1.1 -dibutylbiferrocenium+(TCNQ)
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showed a temperature dependence of the mixed-valence states, showing that the lattice affects the mixed-valence states. |
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