The first methyl antimony linked dimeric tetrathiafulvalene and tetraselenafulvalenes |
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| Authors: | Minoru Ashizawa Hiroshi M. Yamamoto |
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| Affiliation: | Condensed Molecular Materials Laboratory, RIKEN, 2-1, Hirosawa, Wako-shi, Saitama 351-0198, Japan |
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| Abstract: | In quest of novel organic donors, dimeric tetrathiafulvalene (TTF) and tetraselenafulvalenes (TSFs) linked by a single or double methyl antimony bridge, MeSb(TTF)2 (1), (MeSb)2(TSF)2 (cis-2 and trans-2), and MeSb(TSF)2 (3), have been synthesized. Singly bridged 1 and 3 show three pairs of redox waves, whereas doubly bridged cis-2 and trans-2 show two pairs of redox waves similarly to TSF. The X-ray structural analyses of neutral crystals, 1, cis-2 and trans-2, have succeeded. In their structures, antimony and chalcogen atoms form close intermolecular contacts useful in constructing supramolecular networks. |
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