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Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals Volume 342, 2000 - Issue 1
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Original Articles

Charge Fluctuation in Quasi-One-Dimensional Halogen-Bridged Platinum Binuclear Mixed-Valence Compounds, A4[Pt2(pop)4I]·nH2O

Takuya Kawashima Graduate School of Human Informatics, Nagoya University, Nagoya, 464-8601, Japan
,
Shuji Miya Graduate School of Human Informatics, Nagoya University, Nagoya, 464-8601, Japan
,
Toshio Manabe Graduate School of Human Informatics, Nagoya University, Nagoya, 464-8601, Japan
,
Masahiro Yamashita Graduate School of Science and PRESTO(JST), Tokyo Metropolitan University, Hachioji, Tokyo, 192-0397, Japan
,
Kouichi Takizawa Graduate School of Science and PRESTO(JST), Tokyo Metropolitan University, Hachioji, Tokyo, 192-0397, Japan
,
Tomohiko Ishii Graduate School of Science and PRESTO(JST), Tokyo Metropolitan University, Hachioji, Tokyo, 192-0397, Japan
,
Hiroyuki Matsuzaka Graduate School of Science and PRESTO(JST), Tokyo Metropolitan University, Hachioji, Tokyo, 192-0397, Japan
,
Takuya Sonoyama Japan Advanced Institute of Science and Technology, Ishikawa, 923-1292, Japan
,
Hirosi Kitagawa Japan Advanced Institute of Science and Technology, Ishikawa, 923-1292, Japan
,
Tadaoki Mitani Japan Advanced Institute of Science and Technology, Ishikawa, 923-1292, Japan
,
Hiroyuki Matsuzaki Graduate School of Frontier Sciences and PRESTO(JST), University of Tokyo, Tokyo, 113-8656, Japan
,
Hideo Kishida Graduate School of Frontier Sciences and PRESTO(JST), University of Tokyo, Tokyo, 113-8656, Japan
,
Hiroshi Okamoto Graduate School of Frontier Sciences and PRESTO(JST), University of Tokyo, Tokyo, 113-8656, Japan
&
Ryuichi Ikeda Department of Chemistry, University of Tsukuba, Tsukuba, 305-8571, Japan
 show all
Pages 145-150 | Published online: 24 Sep 2006
 
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Abstract

New quasi-one-dimensional halogen-bridged platinum binuclear mixed-valence compounds, A4[Pt2(pop)4I]·nH2O (A=alkaline metal and NH4, and; n=0, 2 and 4) have been synthesized. The Li, Na and K compounds take structures -Pt2.5+-Pt2.5+-X-Pt2.5+-Pt2.5+-X- (a). On the other hand, the Cs and Rb compounds take structures …Pt2+-Pt2+…X-Pt3+-Pt3+-X… (b). Interestingly, the NH4 compound takes a phase transition between (a) and (b) around 200K.

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