Two pentacoordinate copper(II) complexes that display accessible Cu(III/II) couplesDrew, M.G.B., Naskar, J.P., Chowdhury, S. and Datta, D. (2003) Two pentacoordinate copper(II) complexes that display accessible Cu(III/II) couples. Indian Journal of Chemistry Section A, 42 (10). pp. 2531-2535. ISSN 0376-4710 Full text not archived in this repository. It is advisable to refer to the publisher's version if you intend to cite from this work. See Guidance on citing. Official URL: http://www.niscair.res.in/ Abstract/SummaryTwo copper(II) complexes of the type CuL2.imidazole (1) and Cu2L4(4.4'-bpy).2H(2)O.C6H14 (2), where LH = 1-nitroso-2-naphthol and 4.4'-bpy = 4,4'-bipyridine, are characterised by X-ray crystallography. In 2, the two copper atoms are linked by 4,4'-bpy. In both the complexes, copper is found to have a distorted square pyramidal N3O2 coordination sphere. The axial position in I is occupied by an oxygen atom while those in 2 by the nitrogen atoms of 4.4'-bpy. The two complexes display quasireversible Cu(III/II) couples around 0.68 V vs. saturated calomel electrode in cyclic voltammetry in dichloromethane.
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