Studies on Divalent Zinc and Cadmium Complexes Containing 1, 2-bis (n-methylbenzimidazolyl)benzene

Abstract

The reaction of 1,2-bis(N-methylbenzimidazolyl)benzene (N-N) with zinc and cadmium halides and perchlorates in teof–ethanol/acetone/thf yielded white/cream/pale pink complexes of the formulae MX2(N-N) [M = Zn, X = Cl, Br or I; M = Cd, X = Br or I), [(CdCl2)1.5(μ-N-N)]2, [Zn(OClO3)(μ-N-N)1.5]2(ClO4)2 and [Cd(OClO3)(μ-N-N)2]ClO4.H2O. The complexes have been characterized based on elemental analyses, molar conductance measurements, IR, 1H and 13C NMR, FAB–mass spectral studies and thermal analysis. Probable structures have been proposed.