A novel hydroxo-bridged ferric bisubstituted Keggin heteropolytungstate dimer:: synthesis and crystal structure of (Me4N)10[Fe4(OH)4(PW10O37)2]•15H2O

被引：22

作者：

Li, MX

Jin, SL ^{[1
]}

Liu, HZ

Xie, GY

Chen, MQ

Xu, Z

You, XZ

机构：

[1] Fudan Univ, Dept Chem, Shanghai 200433, Peoples R China

[2] Fudan Univ, Res Ctr Anal & Measurement, Shanghai 200433, Peoples R China

[3] Nanjing Univ, State Key Lab Coordinat Chem, Nanjing 210093, Peoples R China

来源：

POLYHEDRON | 1998年 / 17卷 / 21期

关键词：

heteropolytungstate; synthesis; crystal structure; bridging hydroxo group; ferric compound; Keggin heteropolyanion dimer;

D O I：

10.1016/S0277-5387(98)00170-3

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The previously unknown heteropolytungstate (Me4N)(10)[Fe-4(OH)(4) (PW10O37)(2)]. 15H(2)O has been prepared by the reaction of Delta-Na8HPW9O34 and FeCl3 in aqueous solution, and characterized by elemental analysis, infrared spectrum as well as X-ray single crystal structure determination. Four bridging hydroxo groups link with four Fe-III ions, forming an eight-member ring; and this Fe4OH)(4) aggregation is sandwiched by two bi-vacant Keggin type heteropolyanion fragments. The bridging hydroxo groups are divided into two classes: one is the hydroxo groups linking two PW10Fe2 half moieties, the other is the hydroxo group:linking two FeO6 octahedra in each half moiety. The location of the bridging hydroxo groups is identified by the bond valence sum (BVS) calculations for various oxygen atoms;:(C) 1998 Elsevier Science Ltd. All rights reserved. (C) 1998 Elsevier Science Ltd. All rights reserved.

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页码：3721 / 3725

页数：5

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