The title complex, [Cu2(C4N2S2)2(C2H8N2)2]n, consists of centrosymmetric [Cu(C4N2S2)2]2− anions and [Cu(C2H8N2)2]2+ cations. The CuII atom in each anion shows a slightly distorted square-planar coordination, comprising four S-atom donors from two chelating 2,3-dimercaptobutenedinitrile ligands. The CuII atom in the cation is six-coordinated by four N-atom donors from two ethylenediamine ligands and two N-atom donors from 2,3-dimercaptobutenedinitrile, and has an elongated octahedral environment. The asymmetric unit contains one cation and two half-anions. The cations and anions are connected by Cu—N (nitrile) bonds to form a one-dimensional chain along the a axis. The crystal structure is stabilized by hydrogen bonds of the types N—H…N and N—H…S, forming a three-dimensional network.
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Document Type: Research Article
Publication date: December 1, 2004