Old clusters with new tricks:: Engineering S•••S interactions and novel physical properties in sulfite-based dawson clusters

被引：137

作者：

Long, DL

Kögerler, P

Cronin, L ^{[1
]}

机构：

[1] Univ Glasgow, Dept Chem, Glasgow G12 8QQ, Lanark, Scotland

[2] Iowa State Univ, Ames Lab, Ames, IA 50011 USA

[3] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2004年 / 43卷 / 14期

关键词：

density functional calculations; host-guest systems; molybdenum; polyoxometalates; thermochromism;

D O I：

10.1002/anie.200352896

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Unprecedented 18-molybdosulfite Dawson clusters encapsulate two pyramidal sulfite ions as templates, and exhibit a short S⋯S interaction between the two ions, which was characterized by DFT calculations. The [Mo 18O54(SO3)2]4- ion is the first discrete thermochromic polyoxometalate cluster: its color varies from pale yellow at 77 K to deep red at 500 K (see picture).

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页码：1817 / 1820

页数：4

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