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DOI: 10.1039/A705752K (Paper) Reference Section for: J. Chem. Soc., Dalton Trans., 1998, 67-72

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][hair space]†

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Gail B. Karet, Stephanie L. Castro, Kirsten Folting, John C. Bollinger, Robert A. Heintz and George Christou

Abstract

The reaction between [VCl3(thf[hair space])3] and Cl– provided a high-yield route to [NEt4]3[V2Cl9] 1, which contains a [V2(µ-Cl)3Cl6]3– face-sharing bioctahedron. The reaction of [VCl3(thf[hair space])3] with sodium 2-sulfanylbenzoate (mba2–) in the presence of water and PPh4Cl gave [PPh4]2[V3OCl4(Hmba)5] 2, whose anion contains a triangular [V3(µ3-O)]7+ core. The reaction of [NEt4]2[VOCl4] with H2mba 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 (Ĥ = –2JSiSj convention).

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