Synthesis and structure of Ln(W5O18)-capped mixed-ligand polyoxotungstolanthanoate [Ln(W5O18){Ln(H2O)2(SbW9O33)(W5O18)}]15- (Ln = Sm and Er)

被引：13
作者：
Naruke, H [1 ]
Yamase, T [1 ]
机构：
[1] Tokyo Inst Technol, Chem Resources Lab, Midori Ku, Yokohama, Kanagawa 2268503, Japan
来源：
BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN | 2001年 / 74卷 / 07期
关键词：
D O I：
10.1246/bcsj.74.1289
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Polyoxotungstolanthanoate, [Ln(2)(H2O)(2)(SbW9O33)(W5O18)(2)](15-) (Ln = Sm and Er), possessing Ln(3+), trivacant alpha -B-Keggin [SbW9O33](9-), and monovacant Lindqvist [W5O18](6-) groups with a ratio of 2:1:2, was prepared and structurally characterized. In the anion the alpha -B-[SbW9O33](9-) group coordinates to two [Ln(W5O18)](3-) moieties through terminal- and bridging-O atoms at vacant and non-vacant sites, respectively. A W-183-NMR spectrum for Y3+ -analog in aqueous solution was consistent with this anion structure.
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页码：1289 / 1294
页数：6
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