IR Study of the H-Bond Coupled with the Mixed-Valence State of Halogen-Bridged Metal Complexes

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概要

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• IR spectroscopic measurements were made on the halogen bridged metal comp.lexesof {M(chxn),Br}Br. (M=Pt, Pd and Ni) which have interchain N-H? # ?Br bondsstrongly coupled with the electronic state of chains. The splitting of the N-H stret-ching modes for Pt and Pd complexes show a good correlation with the amplitude ofthe CDW in the chain, i.e. with the displacement of bridging halogen ion. No split-ting of the N-H band was observed for the Ni complex, which is an evidence of atransformation from a mixed valence (CDW) state to a mono-valence (the Molt-Hub-bard) state by a replacement of M = Pi (or Pd) by Ni. Such IR studies were applied forthe estimation of the CDW amplitude under hydrostatic pressure. The results in-dicated that more detailed information can be derived by the IR study than the X-rayanalysis.[hydrogen bond, mixed valence, halogen bridged metal complexes, electron-pro- l} ton couplingl]

• 社団法人日本物理学会の論文
• 1991-03-15

著者

• OKAMOTO Hiroshi

  Institute of Rheumatology, Tokyo Women's Medical University

• Mitani Tadaoki

  Institute For Molecular Science

• Yamashita Masahiro

  College of General Education, Nagoya University

• Mitani Tadaoki

  Institute For Molecular Science Graduate University For Advanced Studies

• OKANIWA Kaoru

  Institute for Molecular Science,Graduate University for Advanced Studies

• TORIUMI Koshiro

  Institute for Molecular Science, Graduate University for Advanced Studies

• Okaniwa Kaoru

  Institute For Molecular Science Graduate University For Advanced Studies

• Toriumi Koshiro

  Institute For Molecular Science Graduate University For Advanced Studies

• Toriumi Koshiro

  Institute For Molecular Science

• Okamoto Hiroshi

  Institute For Materials Research Tohoku University

• Yamashita Masahiro

  College Of General Education Nagoya University

• Yamashita Masahiro

  College Of General Education Kyushu University

• Okamoto Hiroshi

  Institute For Molecular Science Graduate University For Advanced Studies

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