Abstract
The reactions of tris(2-mercaptoethylamine)cobalt(III), Col 3, with cadmium(II), copper(II) and zinc(II) has resulted in the isolation of [Cd(CoL 3)2]CdBr 4,[Zn(CoL 3) 2]ZnBr 4 and[Cu(CoL 3) 2]Br·2CuBr.These complexes have been characterized by chemical analyses, electronic and infrared spectra and conductivity measurements. The metal ions, Cd, Zn, Cu are believed to be coordinated by one CoL 3 ligand and a bridging bromide. The reactions oftris(2-mercaptoethylamine)cobalt(III) with potential reducing metal ions such as Fe +2 or VO +2 and oxidizing metal ions such as Cr(H 2O) +3 6, UO +4 2, andCe +4 has resulted in the isolation of salts of Co(CoL 3) +3 2. Possible mechanisms which will result in the formation of the Co(CoL 3) +3 2 cation are discussed.
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