Preparation of polyoxometalates in ionic liquids by ionothermal synthesis

被引：40

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

页码：1740 / 1744

页数：5

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