Alkali-metal-controlled self-assembly of crown-shaped ring complexes of lanthanide/[α-AsW9O33]9-: [K⊂{Eu(H2O)2(α-AsW9O33)}6]35- and [Cs⊂{Eu(H2O)2(α-AsW9O33)}4]23-

被引：280

作者：

Fukaya, K ^{[1
]}

Yamase, T ^{[1
]}

机构：

[1] Tokyo Inst Technol, Chem Resources Lab, Midori Ku, Yokohama, Kanagawa 2268503, Japan

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2003年 / 42卷 / 06期

关键词：

host-guest systems; lanthanides; polyoxometalates; self-assembly; tungsten;

D O I：

10.1002/anie.200390180

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Crowning glory: The L-shaped [Ln(H2O)2(α-AsW9 O33)]6- (Ln = lanthanide) building unit provides an elegant approach to develop crown-shaped structures of [{Ln(H2O)2(α-AsW9 O33)}n]6n- (n = even number of ≥ 4) which can encapsulate a cation. The watermill-propeller structure, left, is a K+ ion encapsulated by six [α-AsW9O33]9- ligands, whereas the windmill structure, right, is a Cs+ ion encapsulated by four [α-AsW9O33]9- ligands.

引用

页码：654 / 658

页数：5

共 33 条

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