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Synthesis,crystal structure and luminescence of a 3-D coordination polymer based on 4-(1H-tetrazol-5-yl) benzoic acid
Abstract:A cobalt(II) coordination polymer [Co(4-TZBA2?)(H2O)2] (1) was obtained by treatment of Co(ClO4)2 · 6H2O with 4-(1H-tetrazol-5-yl)benzoic acid [H2(4-TZBA)] under hydrothermal conditions. The X-ray single crystal diffraction analysis reveals that 1 crystallizes in monoclinic P21/c, with a = 10.503(2) Å, b = 9.0860(18) Å, c = 10.179(2) Å, β = 96.75(3)° and Z = 4. In 1, adjacent cobalt(II) atoms are bridged by two 4-TZBA2? ligands to form a dimer, which is linked with six dimers to result in a 3-D structure. 1 exhibits strong luminescence at room temperature in the solid state.
Keywords:Hydrothermal conditions  Tetrazolate  Metal-organic frameworks  Luminescence
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