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Reaction of bis(diethanoldithiocarbamato)copper(II), [Cu(deadtc) 2 ] and bis(di-n-propyldithiocarbamato)zinc(II), [Zn(dnpdtc) 2 ] complexes with 2,2'-bipyridine (2,2'-bipy) (1:1 ratio) in ethanol was investigated. Simple mixing of the reactants in 1:1 ratio resulted in five-coordinated [Cu(2,2'--bipy) 2 S]·CH 3 CH 2 OSO 3 H (1) and [Zn(2,2'-bipy) 2 S]·CH 3 CH 2 OSC 3 H·2H 2 O (2). Refluxing the reactants and cooling the contents result in the formation of [Zn(2,2'-bipy)(H 2 O) 2 ]SO 4 (3) and [Cu(2,2'-bipy)(H 2 O) 2 ]SO 4 (4). Complexes 1 and 2 are monomeric with trigonal bipyramidal geometry. A distorted octahedral environment was observed in complexes 3 and 4. The crystal structure of 4 has already been reported in the literature. Crystal structures of 1, 2 and 3 are reported in this paper. The M―S distances in 1 and 2 are 2.318(1) A and 2.323 A, respectively. The N—M—S angles are larger than the N―M―N angles due to the steric requirements.

journal of the serbian chemical society

Synthesis, spectral and single crystal X-ray structural studies on bis(2,2’-bipyridine)sulphido M(II) (M=Cu, Zn) and diaquo 2,2’-bipyridine zinc(II)sulphate dihydrate