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Molecular structure and electrochemical properties of the Pt complex of 1,1′-bis(methylthio)ferrocene and the Pd complexes of 1,4,7-trithia[7]- and 1,5,9-trithia[9] (1,1′)ferrocenophanes |
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| Authors: | Masaru Sato Kaoru Suzuki Hirofumi Asano Masato Sekino Yasushi KawataYoichi Habata Sadatoshi Akabori |
| Institution: | Chemical Analysis Center, Saitama University, Urawa, Saitama 338 Japan Department of Chemistry, Faculty of Science, Toho University, Funabashi, Chiba 274 Japan |
| Abstract: | Molecular structures of (triphenylphosphine) 1,1′-bis-(methylthio)ferrocene-S,S′,Fe]Pt(BF4)2 (1), (1,5,9-trithia9]ferrocenophane-S,S′,S″,Fe)Pd(BF4)2 (2), and (acetonitrile)(1,4,7-trithia7]ferrocenophane-S,S′,S″,Fe)Pd(BF4)2 (3) were determined by X-ray analyses. The Pt in 1 and the Pd atom in 2 have a somewhat distorted square-planar geometry including the Fe atom of the ferrocene moiety, while the Pd atom in 3 is coordinated by one equivalent of acetonitrile and takes a distorted tetragonal-pyramidal geometry. The distances of the Fe---M bond (M = Pd, Pt) in 1–3 are 2.851(2), 2.827(2), and 3.0962(8) Å, respectively. Cyclic voltammetry of 1–3 gave no reversible wave, but afforded some information supporting the presence of a dative bond. |
| Keywords: | Platinum Palladium Electrochemistry Ferrocene X-ray diffraction |
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