Liquid phase oxidation of transition metals. Part 6. iron and copper complexes containing dimethylsulphoxide,dimethylformamide, and acetonitrile. Anomalous states of ligands |
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| Authors: | Igor P Lavrentiev Lidia G Korableva Elena A Lavrentieva Galina A Nifontova Mikhail L Khidekel Irina G Gusakovskaya Tatiana I Larkina Levon D Arutyunian Olga S Filipenko Vasiliy I Ponomarev L O Atovmyan |
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| Institution: | (1) The Institute of Chemical Physics, Academy of Sciences of the USSR, 142432 Chernogolovka, USSR |
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| Abstract: | Summary Direct oxidation of iron and copper in a donor-acceptor medium, L + CCl4, where L is dimethylsulphoxide, dimethylformamide or acetonitrile was employed to obtain complex compounds:cis-FeCl2(DMSO)4]Cl] (3), 2 FeCl3 · 3 DMSO (5), FeCl(DMSO)5]FeCl4]2] (6), FeCl(DMSO)5]Fe2Cl6O] (7),cis-FeCl2(DMF)4]FeCl4] (8), Fe(MeCN)6]FeCl4]2 (9) andcis-CuCl2(DMF)2]2 (10), The structures of complexes (9) and (10) have been established by x-ray diffraction analysis and compared with those of (3), (6), (7) and (8) which are reported elsewhere.The FeCl(DMSO)5]Fe2Cl6O] complex (7) is formed by oxidation of iron fromcis-FeIIICl2(DMSO)4]2FeIICl4] (4) in ethanol. One of the 5 DMSO molecules of (7) was found to be disordered; the Mössbauer spectroscopy data suggest that it can move within the cation coordination sphere.Mössbauer spectroscopy and x-ray diffraction analysis indicate electron isomerism in one of the complexes.For papers 4 and 5 of these series see refs. 1 and 2. |
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