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Synthesis and studies of spectroscopic and electrochemical properties of dinuclear ruthenium(II) and manganese(II) complexes

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Abstract

New dinuclear ruthenium manganese complexes of general composition (bpy)2Ru(L)MnClx(H2O)2 (L is 1,10-phenanthroline-5,6-dione, 3,3′-dicarboxy-2,2′-bipyridyl, or bis(pyrazolyl); x = 2 or 4) were synthesized by the reaction of (bpy)2Ru(L) with MnCl2 · 4H2O. These compounds and the starting mononuclear ruthenium complexes were studied by spectrophotometric and electrochemical methods in MeCN. The position of the charge-transfer band RuII → L in the spectra depends on the donor-acceptor characteristics of the ligand L. For the dinuclear complex under study, the formal potentials of reversible one-electron oxidation of RuII are in the range of 0.9–1.2 V (vs. the standard hydrogen electrode), whereas oxidation of MnII occurs at more positive (by 0.1–0.2 V) potentials.

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Authors and Affiliations

  1. Udmurt State University, 1 ul. Universitetskaya, 426034, Izhevsk, Russian Federation

    T. N. Kropacheva & V. I. Kornev

  2. A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 ul. Vavilova, 119991, Moscow, Russian Federation

    D. A. Loginov, V. I. Meshcheryakov, E. V. Mutseneck, D. V. Muratov, D. S. Perekalin, L. S. Shul’pina & A. R. Kudinov

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  1. T. N. Kropacheva
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  2. V. I. Kornev
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  3. D. A. Loginov
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  4. V. I. Meshcheryakov
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  5. E. V. Mutseneck
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  6. D. V. Muratov
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  7. D. S. Perekalin
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  8. L. S. Shul’pina
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  9. A. R. Kudinov
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Additional information

Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 10, pp. 2281–2285, October, 2005.

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Kropacheva, T.N., Kornev, V.I., Loginov, D.A. et al. Synthesis and studies of spectroscopic and electrochemical properties of dinuclear ruthenium(II) and manganese(II) complexes. Russ Chem Bull 54, 2354–2358 (2005). https://doi.org/10.1007/s11172-006-0122-5

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  • DOI: https://doi.org/10.1007/s11172-006-0122-5

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