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

Tidmarsh IS, Batchelor LJ, Scales E, Laye RH, Sorace L, Caneschi A, Schnack J, McInnes EJL (2009)
Dalton Transactions (43): 9402-9409.

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Abstract
The crystal structure of the monomeric vanadium(III) species mer-[V(bipy) Cl-3(MeCN)] (1; bipy = 2,2'-bipyridine) is reported. The solvothermal reaction of [V(bipy)Cl-3(MeCN)] with Na(O2CPh) yields the T-shaped cluster [V-3(O)Cl-3(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 [V-8(OH)(2)Cl-4(cht)(4)(O2CPh)(6)(bipy)(2)], structurally related to previously reported {M-4} centred triangles. Magnetic studies of this series reveal very weak intramolecular antiferromagnetic exchange and very strong local zero-field splitting effects.
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Tidmarsh IS, Batchelor LJ, Scales E, et al. Tri-, tetra- and octa-metallic vanadium(III) clusters from new, simple starting materials: interplay of exchange and anisotropy effects. Dalton Transactions. 2009;(43):9402-9409.
Tidmarsh, I. S., Batchelor, L. J., Scales, E., Laye, R. H., Sorace, L., Caneschi, A., Schnack, J., et al. (2009). Tri-, tetra- and octa-metallic vanadium(III) clusters from new, simple starting materials: interplay of exchange and anisotropy effects. Dalton Transactions(43), 9402-9409.
Tidmarsh, I. S., Batchelor, L. J., Scales, E., Laye, R. H., Sorace, L., Caneschi, A., Schnack, J., and McInnes, E. J. L. (2009). Tri-, tetra- and octa-metallic vanadium(III) clusters from new, simple starting materials: interplay of exchange and anisotropy effects. Dalton Transactions, 9402-9409.
Tidmarsh, I.S., et al., 2009. Tri-, tetra- and octa-metallic vanadium(III) clusters from new, simple starting materials: interplay of exchange and anisotropy effects. Dalton Transactions, (43), p 9402-9409.
I.S. Tidmarsh, et al., “Tri-, tetra- and octa-metallic vanadium(III) clusters from new, simple starting materials: interplay of exchange and anisotropy effects”, Dalton Transactions, 2009, pp. 9402-9409.
Tidmarsh, I.S., Batchelor, L.J., Scales, E., Laye, R.H., Sorace, L., Caneschi, A., Schnack, J., McInnes, E.J.L.: Tri-, tetra- and octa-metallic vanadium(III) clusters from new, simple starting materials: interplay of exchange and anisotropy effects. Dalton Transactions. 9402-9409 (2009).
Tidmarsh, Ian S., Batchelor, Luke J., Scales, Emma, Laye, Rebecca H., Sorace, Lorenzo, Caneschi, Andrea, Schnack, Jürgen, and McInnes, Eric J. L. “Tri-, tetra- and octa-metallic vanadium(III) clusters from new, simple starting materials: interplay of exchange and anisotropy effects”. Dalton Transactions 43 (2009): 9402-9409.
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