Valence-Tautomeric Ionic Liquid Composed of a Cobalt Bis(dioxolene) Complex Dianion

被引：33
|
作者：
Yoshida, Yukihiro [1 ,2 ]
Tanaka, Hirofusa [2 ]
Saito, Gunzi [1 ,2 ]
Ouahab, Lahcene [3 ]
Yoshida, Hiroyuki [4 ]
Sato, Naoki [4 ]
机构：
[1] Meijo Univ, Inst Res, Tempaku Ku, Nagoya, Aichi 4688502, Japan
[2] Kyoto Univ, Grad Sch Sci, Div Chem, Sakyo Ku, Kyoto 6068502, Japan
[3] Univ Rennes 1, CNRS, UMR6226, F-35042 Rennes, France
[4] Kyoto Univ, Inst Chem Res, Uji, Kyoto 6110011, Japan
来源：
INORGANIC CHEMISTRY | 2009年 / 48卷 / 21期
基金：
日本学术振兴会;
关键词：
TRANSITION-METAL COMPLEXES; O-QUINONE COMPLEXES; MAGNETIC-PROPERTIES; ELECTRON-TRANSFER; CATECHOLATE; LIGANDS; INTERCONVERSION; BISTABILITY; SEMIQUINONE; PRESSURE;
D O I：
10.1021/ic901591p
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
We successfully synthesized a room-temperature ionic liquid showing valence-tautomeric behavior, by combining a cobalt bis(dioxolene) complex dianion with a bulky trihexyl(tetradecyl)phosphonium cation. Its magnetic moment exhibits a gradual increase up to ca. 280 K through the glass transition (262 K) and then has an abrupt upturn at around 300 K. The valence-tautomeric behavior was confirmed by the temperature dependence of the electronic absorption spectra. This successful implementation allowed the "smart" ionic liquid, whose magnetic behavior responds evidently to temperature change.
引用
收藏
页码：9989 / 9991
页数：3
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