A novel dimeric arsenotungstate assembled by copper-bridged Dawson units, [Cu(2,2′-bPY)3]4H2[Cu(H2O)4(As2W18O62)2]:: Synthesis and characterizations

被引：15

作者：

Wang, Jingping ^{[1
]}

Wang, Wei ^{[1
]}

Niu, Jingyang ^{[1
]}

机构：

[1] Henan Univ, Sch Chem & Chem Engn, Inst Mol & Crystal Engn, Kaifeng 475001, Peoples R China

来源：

INORGANIC CHEMISTRY COMMUNICATIONS | 2007年 / 10卷 / 05期

基金：

中国国家自然科学基金;

关键词：

hydrothermal synthesis; polyoxometalates; arsenotungstate; crystal structure;

D O I：

10.1016/j.inoche.2007.01.014

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A novel dimeric polyoxotungstate, [Cu(2,2'-bpy)(3)](4)H-2[Cu(H2O)(4)(As2W18O62)(2)] (2,2'-bpy=2,2'-bipyridine) (1), has been synthesized hydrothernially and characterized by elemental analysis, IR, ESR, TG-DTA and single-crystal X-ray diffraction. The title compound represents the first example of dimeric arsenotungstate based on Dawson-type polyanions, in which two As-2 W18O626- blocks are linked by one Cu(H2O)(2+)(4) fragment via O-t-Cu-O-1, bridge. (c) 2007 Elsevier B.V. All rights reserved.

引用

页码：520 / 522

页数：3

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