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
收藏
页码：520 / 522
页数：3
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