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Original Articles

Synthesis and Properties of Iodinated Nickel Imineoximes

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Pages 1273-1288 | Received 06 Feb 1986, Accepted 18 Aug 1986, Published online: 13 Dec 2006
 

Abstract

Reactions with iodine of binuclear nickel (II) complexes Ni2 (dox-enEt2)2 (X[dbnd]I, ClO4), where Hdox-enEt2 denotes a ligand IIb, has yielded complexes of the type Ni2 (dox-enEt2)2XxYy, X and Y being I or ClO4 and x and y the number of X and Y, respectively. These new complexes most probably have a binuclear skeletal structure. On the basis of magnetic and spectral data including laser Raman spectra, the nickel complexes obtained are classified into the following three types: (a) purple-red, diamagnetic, (b) orange brown, paramagnetic (1.6–1.7 BM per nickel), and (c) dark brown, paramagnetic (1.3 BM per nickel). It is most likely that the oxidation state of nickel is two for type (a), while complexes of types (b) and (c) possibly contain partially oxidized nickel ions.

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