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A 3D Porous Coordination Polymer from Tetrazole Ligand and Cd(II): Crystal Structure,Luminescent Property and Adsorption of Methanol and Water |
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| Authors: | Bo Li Kai Yu Chunmei Wang Zhanhua Su Chunxiao Wang Baibin Zhou |
| Affiliation: | 1. Key Laboratory for Photonic and Electronic Bandgap Materials, Ministry of Education, School of Chemistry and Chemical Engineering, Harbin Normal University, Harbin, 150025, People’s Republic of China 3. Department of Chemistry, Heihe College, Heihe, 164300, People’s Republic of China 2. Key Laboratory of Synthesis of Functional Materials and Green Catalysis, Colleges of Heilongjiang Province, Harbin Normal University, Harbin, 150025, People’s Republic of China |
| Abstract: | An unusual tetrazole-based Cd(II) coordination polymer, Cd(4-tzba)(H2O)]n (tzba = 4-(tetrazolyl)benzenecarboxylic acid) (1), was synthesized by hydrothermal reaction and structurally characterized by single-crystal X-ray diffraction. The structure of 1 contains distorted octahedral cadmium centers coordinated by four different tzba2? ligands and a water molecule. All the tzba2? ligands display coordination of type, μ4-κN1:κN3:κN4:κO1, O2, which connects four Cd(II) atoms to form an intricate 3-D network. There are three kinds of apertures in the structure of 1; two helical channels and a hexagonal aperture are observed along different axes. Polymer 1 exhibits selective gas adsorption behavior for methanol, ethanol and water. In addition, 1 shows blue photoluminescence mainly arising from intraligand transitions of the aromatic rings in the tbza2? ligand. |
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