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A two-dimensional Zn(II) coordination polymer constructed by benzotriazole-5-carboxylate and
Rui-Yun Lu1, Guo-You Luan, Zheng-Bo Han
1College of Chemistry, Liaoning University, 110036 Shenyang, People's Republic of China.
Abstract:
Poly[[(μ(3)-benzotriazole-5-carboxylato-κ(4)N(1):N(3):O,O')(1,4,8,9-tetraazatriphenylene-κ(2)N(8),N(9))zinc(II)] 0.25-hydrate], {[Zn(C(7)H(3)N(3)O(2))(C(14)H(8)N(4))]·0.25H(2)O}(n), exhibits a two-dimensional layer structure in which the asymmetric unit contains one Zn(II) centre, one 1,4,8,9-tetraazatriphenylene (TATP) ligand, one benzotriazole-5-carboxylate (btca) ligand and 0.25 solvent water molecules. Each Zn(II) ion is six-coordinated and surrounded by four N atoms from two different btca ligands and one chelating TATP ligand, and by two O atoms from a third btca ligand, to furnish a distorted octahedral geometry. The infinite connection of the metal ions and ligands forms a two-dimensional wave-like (6,3) layer structure. Adjacent layers are connected by C-H...N hydrogen bonds. The solvent water molecules are located in partially occupied sites between parallel pairs of inversion-related TATP ligands that belong to two separate layers.
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