Hydrothermal syntheses,structures and luminescent properties of group IIB metal coordination polymers based on bifunctional 1H-tetrazolate-5-acetic acid ligand |
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| Authors: | Mei-Feng Wu Fa-Kun Zheng Gang Xu A-Qing Wu Yan Li Hui-Fen Chen Sheng-Ping Guo Feng Chen Zhi-Fa Liu Guo-Cong Guo Jin-Shun Huang |
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| Affiliation: | 1. State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China;2. Graduate School, Chinese Academy of Sciences, Beijing 100039, China |
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| Abstract: | Hydrothermal reaction of 1H-tetrazolate-5-ethyl acetate (Htzea), MCl2 (M = Zn, Cd) and NaOH at different reaction temperatures produced three new coordination polymers: 2-D layered polymer Zn(tza)(H2O)2]n 1, and 1-D chained supramolecular isomers 2 and 3 formulated as Cd(tza)(H2O)2]n (H2tza = 1H-tetrazolate-5-acetic acid), respectively. In these obtained polymers, tza2? ligand adopts variable coordination modes: μ3-κN3:κO1:κO2,N1 and μ3-κN1:κN3:κO2 for 1, and μ3-κN2:κN1,O2:κO1,O2 for 2 and 3. The effects of reaction temperature and metal centers on the final polymeric frameworks have been discussed. Polymers 1–3 exhibit blue photoluminescence mainly arising from intraligand transitions of tetrazolate rings in tza2? ligand. |
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