Dinuclear Metalloradicals Featuring Unsupported Metal-Metal Bonds

被引：12
|
作者：
van der Eide, Edwin F. [2 ]
Yang, Ping [1 ]
Walter, Eric D. [1 ]
Liu, Tianbiao [2 ]
Bullock, R. Morris [2 ]
机构：
[1] Pacific NW Natl Lab, Environm Mol Sci Lab, Richland, WA 99352 USA
[2] Pacific NW Natl Lab, Chem & Mat Sci Div, Richland, WA 99352 USA
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2012年 / 51卷 / 33期
关键词：
density functional calculations; EPR spectroscopy; metalloradicals; mixed-valent dimers; redox chemistry; ELECTROPHILIC BINUCLEAR CATIONS; ELECTROCHEMICAL OXIDATION; MIXED-VALENT; COMPLEXES; MO; CHEMISTRY; APPROXIMATION; MOLYBDENUM; HYDRIDES;
D O I：
10.1002/anie.201203531
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
No support required: Unlike the unobservable radical cations [{CpM(CO) 3}2].+ (M=W, Mo), derivatives [{CpM(CO) 2(PMe3)}2].+ are stable enough to be isolated and characterized. Experimental and theoretical studies show that the shortened M-M bonds are of order 1 1/2, and that they are not supported by bridging ligands. The unpaired electron is delocalized over the M-M cores, with a spin density of about 45 % on each metal atom. Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：8361 / 8364
页数：4
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