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

 

作者: Takuya Kawashima,   Shuji Miya,   Toshio Manabe,   Masahiro Yamashita,   Kouichi Takizawa,   Tomohiko Ishii,   Hiroyuki Matsuzaka,   Takuya Sonoyama,   Hirosi Kitagawa,   Tadaoki Mitani,   Hiroyuki Matsuzaki,   Hideo Kishida,   Hiroshi Okamoto,   Ryuichi Ikeda,  

 

期刊: Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals  （Taylor Available online 2000）
卷期: Volume 342, issue 1  

页码: 145-150

 

ISSN:1058-725X

 

年代: 2000

 

DOI:10.1080/10587250008038258

 

出版商: Taylor & Francis Group

 

关键词: phase transitions;mixed-valence complexes

 

数据来源: Taylor

 

摘要:

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 NH4compound takes a phase transition between (a) and (b) around 200K.

 

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