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Photolysis of [PtBr6]2– complex in frozen methanol matrix

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Abstract

Photochemistry of the [PtBr6]2– complex in the low-temperature methanol matrix (77 K) was studied by low-temperature spectrophotometry and ESR spectroscopy. The [PtBr4]2– complex is the main photolysis product. The mechanism of two-electron reduction of the platinum(IV) ion is proposed. The primary photochemical process is electron transfer from the solvent molecule to the photoexcited initial complex to form the intermediate radical complex ([PtBr6]3–...·CH2OH). The transfer of the second electron in the radical complex produces the final reaction products.

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Authors and Affiliations

  1. Institute of Chemical Kinetics and Combustion, Siberian Branch of the Russian Academy of Sciences, 3 ul. Institutskaya, 630090, Novosibirsk, Russian Federation

    E. M. Glebov & V. F. Plyusnin

  2. Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Sciences, 3 prosp. Lavrent"eva, 630090, Novosibirsk, Russian Federation

    A. B. Venediktov & S. V. Korenev

Authors
  1. E. M. Glebov
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  2. V. F. Plyusnin
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  3. A. B. Venediktov
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  4. S. V. Korenev
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Glebov, E.M., Plyusnin, V.F., Venediktov, A.B. et al. Photolysis of [PtBr6]2– complex in frozen methanol matrix. Russian Chemical Bulletin 52, 1305–1311 (2003). https://doi.org/10.1023/A:1024810724324

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