Antimony-tungsten triple bond:: A stable complex with a terminal antimony ligand

被引：28

作者：

Balázs, G

Sierka, M

Scheer, M

机构：

[1] Univ Regensburg, Inst Anorgan Chem, D-93040 Regensburg, Germany

[2] Humboldt Univ, Inst Chem, D-10099 Berlin, Germany

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2005年 / 44卷 / 31期

关键词：

antimony; bond analysis; density functional calculations; pnicogen ligands; tungsten;

D O I：

10.1002/anie.200500781

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The intermediately generated Li-[(Me3Si)2CHSb(H)] reacts with [(N3N)WCl] to give the first complex with a terminal stibido ligand, [(N3N)W≡Sb] (see structure). Spectroscopic features and the X-ray structure of this product clearly reveal the triple-bond character of the W≡Sb bond. A comparison of the bonding situations in the series [(N3N)W≡E] (E = P, As, Sb, Bi) indicates only a weak polarization of the triple bond. (Chemical Equation Presented). © 2005 Wiley-VCH Verlag GmbH & Co. KGaA.

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页码：4920 / 4924

页数：5

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