Assembly of two Cu-based coordination polymers from 2-(pyridine-3-yl)-1H-4,5-imidazoledicarboxylate ligand |
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| Affiliation: | 1. State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, PR China;2. Faculty of Chemistry and Material Science, Langfang Teachers College, Langfang 065000, PR China;1. Key Laboratory for Photonic and Electronic Bandgap Materials, Ministry of Education, Harbin Normal University, Harbin 150025, China;2. Key Laboratory of Synthesis of Functional Materials and Green Catalysis, Colleges of Heilongjiang Province, Harbin Normal University, Harbin 150025, China;3. Department of Biochemical Engineering, Harbin Institute of Technology, Harbin 150090, China |
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| Abstract: | Two novel Cu-based coordination polymers [Cu5(HPyImDC)4]·(NH4)3 (1) and [Cu3(H2O)2(HPyImDC)2(C3N2H10)] (2) containing the 2-(pyridine-3-yl)-1H-4,5-imidazoledicarboxylate (H3PyImDC) ligand have been solvothermally synthesized. Single crystal X-ray diffraction analysis reveals that compound 1 exhibits a three dimensional framework with 1D rhombic channels, which can be simplified into a novel (3, 4)-connected network with Schläfli symbol of (62.144)(62.8)4. Compound 2 is one dimensional chain which packed with each other via π–π and hydrogen-bonding interactions to construct a three dimensional supramolecular structure. As the first example related to Cu (I) and Cu (I, II) coordination polymers based on H3PyImDC ligands, compounds 1 and 2 are further studied by elemental analyses, IR spectroscopy and thermogravimetric analyses. |
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