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Cascade complexation: a single cyano bridge links a pair of Cu(II) cations

Bond, Andrew D.; Derossi, Sofia; Harding, Charles J.; McInnes, Eric J. L.; McKee, Vickie; McKenzie, Christine J.; Nelson, Jane and Wolowska, Joanna (2005). Cascade complexation: a single cyano bridge links a pair of Cu(II) cations. Dalton Transactions, 14 pp. 2403–2409.

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A series of structurally characterised µ-cyanodicopper(II) cryptates shows moderately strong antiferromagnetic interaction in the range –2J = 150–200 cm–1, at the high end of the observed range for such assemblies. The lowest magnetic exchange coupling parameter is displayed where there is slight bending of the M–CN–M assembly, enforced by the constraints of cryptate encapsulation. Thermally accessible triplet EPR spectra are observed with zero-field splittings of the order of 0.13–0.14 cm–1, confirming collinear ground-state dz2 orbitals for Cu(II), consistent with their trigonal-bipyramidal coordination geometries.

Item Type: Journal Article
ISSN: 1477-9226
Extra Information: Some of the symbols may not have transferred correctly into this bibliographic record.
Academic Unit/Department: Science > Life, Health and Chemical Sciences
Item ID: 5283
Depositing User: Charlie Harding
Date Deposited: 17 Aug 2006
Last Modified: 02 Dec 2010 19:53
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