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Mössbauer study on photochemistry of ferrocene isolated in low-temperature matrix

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Abstract

Unstable novel species produced by photolysis of ferrocene (Cp2Fe) isolated in low-temperature matrix were studied by means of the57Fe Mössbauer spectroscopy. On the UV-irradiation of57Fe-enriched ferrocene co-condensed with CCl4 in low-temperature N2 matrix (20 K), unknown high spin ferrous species (I.S.=0.90±0.01 mm/s, Q.S=1.94±0.02 mm/s) were produced as well as ferricinium ion [Cp2Fe]+ (I.S.=0.52±0.01 mm/s, Q.S.=0.0 mm/s). On the annealing, these photoproducts disappeared to reform ferrocene by the reverse reaction in the matrix. The mechanisms of the photochemical reaction were discussed.

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Authors and Affiliations

  1. Department of Chemistry, School of Science, The University of Tokyo, Hongo, Bunkyo-ku, 113, Tokyo, Japan

    Y. Einaga, Y. Yamada & T. Tominaga

Authors
  1. Y. Einaga
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  2. Y. Yamada
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  3. T. Tominaga
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Einaga, Y., Yamada, Y. & Tominaga, T. Mössbauer study on photochemistry of ferrocene isolated in low-temperature matrix. J Radioanal Nucl Chem 218, 97–100 (1997). https://doi.org/10.1007/BF02033981

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  • DOI: https://doi.org/10.1007/BF02033981

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