Preparation of polyoxometalates in ionic liquids by ionothermal synthesis

被引：39
|
作者：
Lin, Shiwei [1 ,2 ]
Liu, Wenli [1 ]
Li, Yangguang [1 ]
Wu, Qiong [1 ]
Wang, Enbo [1 ]
Zhang, Zhiming [1 ]
机构：
[1] NE Normal Univ, Fac Chem, Minist Educ, Key Lab Polyoxometalate Sci, Changchun 130024, Jilin, Peoples R China
[2] Changchun Normal Univ, Fac Chem, Changchun 130032, Jilin, Peoples R China
来源：
DALTON TRANSACTIONS | 2010年 / 39卷 / 07期
基金：
美国国家科学基金会;
关键词：
CLUSTERS; COMBINATION; FRAMEWORK; SOLVENTS; WATER;
D O I：
10.1039/b905079e
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Ionothermal synthesis was applied to the formation of polyoxometalates (POMs) and two new compounds [EMIM](8)Na-9[WFe9(mu(3)-O)(3)(mu(2)-OH)(6)O4H2O(SiW9O34)(3)]center dot 7H(2)O (1, [EMIM](8)Na-9[1a]center dot 7H(2)O, EMIM = 1-ethyl-3-methylimidazolium) and [EMIM](4)[SiMo12O40]center dot 12H(2)O (2), have been successfully produced in the ionic liquid (IL) [EMIM](4)Br. They were characterized by single-crystal X-ray diffraction, elemental analysis, UV-vis, IR and TG analysis. Furthermore, the magnetic properties of 1 and the electrochemical properties of 2 were studied. 1 is a high-nuclear transition metal substituted polyoxometalate (TMSP) and the unprecedented polyoxoanion of 1a is composed of three [alpha-SiW9O34](10-) Keggin moieties connected by a {WFe9} cluster core. 2 is a heteropolyoxometalate with the polyoxoanion of alpha-Keggin type.
引用
收藏
页码：1740 / 1744
页数：5
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