Compounds with two metal-metal multiple bonds: New ways of making doublets into cyclic quartets

被引：31

作者：

Cotton, FA

Daniels, LM

Guimet, I

Henning, RW

Jordan, GT

Lin, C

Murillo, CA

Schultz, AJ

机构：

[1] Texas A&M Univ, Dept Chem, College Stn, TX 77842 USA

[2] Texas A&M Univ, Mol Struct & Bonding Lab, College Stn, TX 77842 USA

[3] Univ Costa Rica, Dept Chem, San Jose, Costa Rica

[4] Argonne Natl Lab, Intense Pulsed Neutron Source, Argonne, IL 60439 USA

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 1998年 / 120卷 / 48期

关键词：

D O I：

10.1021/ja982425f

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

New types of products obtained by combining two dinuclear multiply metal-metal bonded species (doublets) to obtain cyclic tetranuclear products (quartets) are reported. One new type consists of pairs of quadruply bonded Mo-2(4+) units united by two mu-X links (X = H, OH, O) although in the last case oxidation has also occurred so that these are Mo-2(5+) moieties. In these cases, the subunits are Mo-2(DArF)(3). The second new type consists of Mo-2(DArF)(2) subunits linked by four mu-X bridges,where X = Cl, Br, I. The previously known compound Mo4I8(PBu3n)(4) has been shown to differ from all previously known Mo4X8(PR3)(4) molecules (X: = Cl, Br) by retaining two quadruple bonds instead of beings metallacyclobutadiyne, as are the others.

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页码：12531 / 12538

页数：8

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