Synthesis and Redox-Induced Structural Isomerization of the Pentagonal Bipyramidal Complexes [W(CN)5(CO)2]3- and [W(CN)5(CO)2]2-

被引：10

作者：

Karunadasa, Hemamala I. ^{[1
]}

Long, Jeffrey R. ^{[1
]}

机构：

[1] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2009年 / 48卷 / 04期

关键词：

carbonyl ligands; cyanides; isomerization; oxidation; tungsten; SINGLE-MOLECULE MAGNETS; ORDERING TEMPERATURE; MN-II; EXCHANGE INTERACTIONS; SPIN REORIENTATION; CRYSTAL-STRUCTURE; BUILDING-BLOCKS; CYANIDE CLUSTER; MO-V; TRANSITION;

D O I：

10.1002/anie.200804199

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

(Figure Presented) Mixed company: The use of a mixed carbonyl/cyanide ligand set enables stabilization of two new heptacoordinate complexes: [W(CN)5(CO)2]3- and [W(CN)5(CO) 2]2-. In the trianionic complex the two carbonyl ligands occupy the axial positions. Remarkably, one-electron oxidation causes loss of this axial symmetry, as shown by X-ray crystallography (see picture, orange W, gray C, blue N, red O), IR, and EPR spectroscopy. © 2009 Wiley-VCH Verlag GmbH & Co. KGaA.

引用

页码：738 / 741

页数：4

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