Synthesis and structure of asymmetric zirconium-substituted silicotungstates, [Zr6O2(OH)4(H2O)3(β-SiW10O37)3]14- and [Zr4O2(OH)2(H2O)4(β-SiW10O37)2]10-

被引：111
|
作者：
Bassil, BS [1 ]
Dickman, MH [1 ]
Kortz, U [1 ]
机构：
[1] Int Univ Bremen, Sch Sci & Engn, D-28725 Bremen, Germany
来源：
INORGANIC CHEMISTRY | 2006年 / 45卷 / 06期
关键词：
D O I：
10.1021/ic052131c
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The reaction of ZrCl4 with [gamma-SiW10O36](8-) in a potassium acetate buffer results in two different products depending on the reactant ratios. The trimeric species [Zr6O2(OH)(4)(H2O)(3)(beta-SiW10O37)(3)](14-) (1) consists of three beta(23)-SW10O37 units linked by an unprecedented Zr6O2(OH)(4)(H2O)(3) cluster with C, point group symmetry. The dimeric species [Zr4O2(OH)(2)(H2O)(4)(beta-SiW10O37)(2)](10-) (2) consists of beta(22)- and beta(12)-SiW10O37 units sandwiching a Zr4O2(OH)(2)(H2O)(4) cluster, which also has C, symmetry. Polyanion 1 contains more zirconium centers than any other polyoxometalate known to date.
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页码：2394 / 2396
页数：3
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