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The asymmetric unit of the title compound, [Zn(C 12 H 10-N 6) 2 (H 2 O) 2 ](NO 3) 2 , contains one-half of the complex molecule and one NO 3 À anion. The Zn II ion displays a distorted tetragonal-pyramidal geometry with four N atoms from two chelating 4-amino-3,5-di-2-pyridyl-1,2,4-triazole (2-bpt) lig-ands in the basal plane and one water molecule… (More)
The complete molecule of the title compound, C(17)H(16)O(4), is generated by crystallographic twofold symmetry, with the central C atom lying on the rotation axis and a dihedral angle between the benzene rings of 81.9 (2)°. In the crystal, mol-ecules are linked by O-H⋯O hydrogen bonding between carboxyl groups, forming one-dimensional supra-molecular chains.