Dinuclear, trinuclear and mixed-metal hexanuclear aggregates of vanadium:: crystal structures and properties of [NEt4]3[V2Cl9], [PPh4]2[V3OCl4(O2CC6H4SH)5] and [NEt4]4[V2Li4O2Cl4-(O2CC6H4S)4]

被引：13

作者：

Karet, GB

Castro, SL

Folting, K

Bollinger, JC

Heintz, RA

Christou, G ^{[1
]}

机构：

[1] Indiana Univ, Dept Chem, Bloomington, IN 47405 USA

[2] Indiana Univ, Ctr Mol Struct, Bloomington, IN 47405 USA

来源：

JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS | 1998年 / 01期

关键词：

D O I：

10.1039/a705752k

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The reaction between [VCl3(thf)(3)] and Cl- provided a high-yield route to [NEt4](3)[V2Cl9] 1, which contains a [V-2(eta-Cl)(3)Cl-6](3-) face-sharing bioctahedron. The reaction of [VCl3(thf)3] with sodium 2-sulfanylbenzoate (mba(2-)) in he presence of water and PPh4Cl gave [PPh4](2)[V3OCl4(Hmba)(5)] 2, whose anion contains a triangular [V-3(mu(3)-O)](7+) core. The reaction of [NEt4](2)[VOCl4] with H(2)mba and Li2S gave [NEt4](4)[V2Li4O2Cl4(mba)(4)] 3, whose anion contains two [VO(mba)] fragments bridged by a [Li4Cl4] unit. Compounds 1 and 2 are weakly antiferromagnetically coupled with J = -13.4(4) and -3.2(1.6) cm(-1), respectively ((H) over cap = -2JS(i)S(j) convention).

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页码：67 / 72

页数：6

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