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μ-Oxalato-κ4O1,O2:O1′,O2′-bis[diaqua(2,2′-bipyridyl-κ2N,N′)zinc] bis[2-(1H-benzotriazol-1-yl)acetate] hexahydrate

Author(s): Ling Zeng | Qinglin Wang

Journal: Acta Crystallographica Section E
ISSN 1600-5368

Volume: 68;
Issue: 2;
Start page: m196;
Date: 2012;
Original page

The asymmetric unit of the title compound, [Zn2(C2O4)(C10H8N2)2(H2O)4](C8H6N3O2)2·6H2O, contains one half of the centrosymmetric binuclear cation, one anion and three water molecules. In the cation, the oxalate ligand bridges two ZnII ions in a bis-bidentate fashion, so each ZnII ion is coordinated by two O atoms from the oxalate ligand, two N atoms from two 2,2′-bipyridine ligands and two water molecules in a distorted octahedral arrangement. The mean planes of the oxalate and 2,2′-bipyridine ligands form a dihedral angle of 80.0 (1)°. An extensive three-dimensional hydrogen-bonding network formed by classical O—H...O and O—H...N interactions consolidates the crystal packing.
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