
Acta Cryst. (2009). C65, m488-m490 [ doi:10.1107/S010827010904668X ]
Abstract: The isomorphous title complexes, dichlorido[4-(3,5-dimethyl-4H-1,2,4-triazol-4-yl)benzoic acid-
N1]zinc(II) dihydrate, [ZnCl2(C11H11N3O2)2]·2H2O, and dibromido[4-(3,5-dimethyl-4H-1,2,4-triazol-4-yl)benzoic acid-
N1]zinc(II) dihydrate, [ZnBr2(C11H11N3O2)2]·2H2O, were synthesized and crystallized by slow evaporation of the solvent from a solution of the ligand and either zinc chloride or zinc bromide, respectively, in water/ethanol. The ZnII ions occupy twofold axes in the noncentrosymmetric orthorhombic space group Fdd2. The metal ion is approximately tetrahedrally coordinated by two monodentate triazole groups of the ligands and additionally by two halide ions. The water molecules incorporate the complexes into a three-dimensional framework made up by hydrogen bonds. Furthermore, each complex possesses two hydrogen-bond-donor sites represented by the carboxy groups and two acceptor sites at the noncoordinating N atoms of the triazoles.
Formula: [ZnCl2(C11H11N3O2)2]·2H2O and [ZnBr2(C11H11N3O2)2]·2H2O
![]() ![]() Structure factor file (CIF format) (105.7 kbytes) | |
![]() ![]() Structure factor file (CIF format) (153.5 kbytes) | |
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