Hyperfine Interactions

, Volume 166, Issue 1–4, pp 403–407 | Cite as

Study on charge transfer interaction and valence state of layered perovskite-type mixed valence complex [NH3(CH2) n NH3]2[(AuII2)(AuIIII4)(I3)2] (n = 7, 8), by means of 197Au Mössbauer spectroscopy

  • Kazuhiro Ikeda
  • Norimichi Kojima
  • Yasuhiro Kobayashi
  • Makoto Seto


Cs2[AuI X 2][AuIII X 4](X = Cl, Br, and I) is well known for the three-dimensional perovskite-type gold mixed valence system. Recently, layered perovskite-type gold mixed valence complexes, [NH3(CH2) n NH3]2[(AuII2)(AuIIII4)(I3)2] (n = 7 and 8), have been synthesized. We have investigated the relationship between the structural dimensionality and the AuI–AuIII charge transfer interaction for Cs2[AuII2][AuIIII4] and [NH3(CH2) n NH3]2[(AuII2)(AuIIII4)(I3)2] (n = 7 and 8) by means of 197Au Mössbauer spectroscopy.

Key words

197Au Mössbauer spectroscopy mixed valence complex layered perovskite 


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Copyright information

© Springer Science+Business Media, Inc. 2006

Authors and Affiliations

  • Kazuhiro Ikeda
    • 1
  • Norimichi Kojima
    • 1
  • Yasuhiro Kobayashi
    • 2
  • Makoto Seto
    • 2
  1. 1.Graduate School of Arts and SciencesThe University of TokyoTokyoJapan
  2. 2.Kyoto University Research Reactor InstituteOsakaJapan

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