Issue 43, 2009
From the journal:

Dalton Transactions

Tri-, tetra- and octa-metallic vanadium(III)clusters from new, simple starting materials: interplay of exchange and anisotropy effects†

Ian S. Tidmarsh,a   Luke J. Batchelor,a   Emma Scales,a   Rebecca H. Laye,a   Lorenzo Sorace,b   Andrea Caneschi,b   Jürgen Schnackc  and  Eric J. L. McInnes*a  

* Corresponding authors

a School of Chemistry, The University of Manchester, Manchester, UK
E-mail: eric.mcinnes@manchester.ac.uk
Fax: +44(0)161 275 4616
Tel: +44 (0)161 275 4469

b Dipartimento di Chimica and UdR INSTM, Università di Firenze, Via della Lastruccia 3, Sesto Fiorentino, Italy
E-mail: andrea.caneschi@unifi.it
Fax: +39 0554573372
Tel: +39 39-0554573327

c Fakultät fur Physik, Universität Bielefeld, Bielefeld, Germany
E-mail: jschnack@uni-bielefeld.de
Fax: +49-521-106-6455
Tel: +49-521-106-6901

Abstract

The crystal structure of the monomeric vanadium(III) species mer-[V(bipy)Cl3(MeCN)] (1; bipy = 2,2′-bipyridine) is reported. The solvothermal reaction of [V(bipy)Cl3(MeCN)]with Na(O2CPh) yields the T-shaped cluster [V3(O)Cl3(O2CPh)2(bipy)2(OEt)2], magnetic studies of which show strong intramolecular antiferromagnetic coupling giving a well isolated S = 1 ground state. Solvothermal treatment of 1 with triols yields a series of polymetallic clusters [V4Cl6(thme)2(bipy)3], [V3Cl4(Hcht)2(bipy)2]Cl and [V8(OH)2Cl4(cht)4(O2CPh)6(bipy)2], structurally related to previously reported {M4} centred triangles. Magnetic studies of this series reveal very weak intramolecular antiferromagnetic exchange and very strong local zero-field splitting effects.

Graphical abstract: Tri-, tetra- and octa-metallic vanadium(III) clusters from new, simple starting materials: interplay of exchange and anisotropy effects

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Article information

DOI
https://doi.org/10.1039/B911586B
Article type
Paper
Submitted
15 Jun 2009
Accepted
17 Aug 2009
First published
04 Sep 2009

Dalton Trans., 2009, 9402-9409

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Tri-, tetra- and octa-metallic vanadium(III) clusters from new, simple starting materials: interplay of exchange and anisotropy effects

I. S. Tidmarsh, L. J. Batchelor, E. Scales, R. H. Laye, L. Sorace, A. Caneschi, J. Schnack and E. J. L. McInnes, Dalton Trans., 2009, 9402 DOI: 10.1039/B911586B

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