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Issue 23, 2003

Synthesis, structure and magnetic properties of hydroxyquinaldine-bridged cobalt and nickel cubanes

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Abstract

Nickel and cobalt heterocubanes have been synthesised from dinuclear complexes. The use of 8-hydroxyquinaldine leads to a rhombohedral distortion in two faces of the cubes. Both cubes were studied by paramagnetic NMR, which shows that they are stable in solution. Magnetic measurements show that the coupling within both molecules is overall antiferromagnetic. The magnetic data for the nickel cube has been modelled, and shows that the coupling consists of two ferromagnetically coupled pairs which are antiferromagnetically coupled to give a diamagnetic ground state.

Graphical abstract: Synthesis, structure and magnetic properties of hydroxyquinaldine-bridged cobalt and nickel cubanes

Supplementary files

Article information


Submitted
05 Aug 2003
Accepted
15 Sep 2003
First published
30 Sep 2003

Dalton Trans., 2003, 4466-4471
Article type
Paper

Synthesis, structure and magnetic properties of hydroxyquinaldine-bridged cobalt and nickel cubanes

G. Aromí, A. S. Batsanov, P. Christian, M. Helliwell, O. Roubeau, G. A. Timco and R. E. P. Winpenny, Dalton Trans., 2003, 4466 DOI: 10.1039/B309325E

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