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Effects of counter anion on mixed-valence states of binuclear ferrocene derivatives |
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| Authors: | Satoru Nakashima Sei'ichiro Iijima Izumi Motoyama Motomi Katada Hirotoshi Sano |
| Affiliation: | (1) Department of Chemistry, Faculty of Science, Tokyo Metropolitan University, Fukasawa, Setagaya-ku, 158 Tokyo, Japan;(2) Research Institute for Polymers and Textiles, Yatabe-Higashi, 305 Tsukuba, Ibaraki, Japan;(3) Department of Chemistry, Faculty of Engineering, Kanagawa University, Rokkakubashi, Kanagawa-ku, 221 Yokohama, Japan |
| Abstract: | The mixed-valence states of iron atoms in 1 , 1 -dialkylbiferrocenium cations were found to be affected by the kind of their counter anions. The TCNQ salts showed only an averaged-valence state from 78 K to room temperature, while the triiodide salts showed only a trapped-valence state or a temperature dependent trapped-to-averaged valence state depending on the kind of alkyl group. |
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