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metal-organic compounds
The title complex, aqua(2,2′-bipyridyl-N,N')(3-thiapentanedioate-O,S,O′)zinc(II) tetrahydrate, [Zn(C4H4O4S)(C10H8N2)(H2O)].4H2O, is mononuclear with a coordination sphere consisting of one S, two N and three O atoms. The Zn atom is linked to a tridentate thiodiacetate ligand, a bidentate 2,2′-bipyridine ligand and an aquo ligand resulting in a slightly distorted octahedral coordination geometry. The molecular units in the crystal are linked together by an extensive hydrogen-bonding network and by intermolecular SS interactions.