Two alkaline-earth metal coordination complexes,[Ca(bpdc)(DMF)_(2)(H_(2)O)_(2)]_(n)(1)and[Mg(bpdc)(H_(2)O)_(3)]_(n)(2)(H_(2)bpdc=2,2′-Bipyridine-5,5′-dicarboxylic acid),have been obtained via solvothermal conditions...Two alkaline-earth metal coordination complexes,[Ca(bpdc)(DMF)_(2)(H_(2)O)_(2)]_(n)(1)and[Mg(bpdc)(H_(2)O)_(3)]_(n)(2)(H_(2)bpdc=2,2′-Bipyridine-5,5′-dicarboxylic acid),have been obtained via solvothermal conditions and characterized by elemental analysis,IR spectra,thermogravimetric analysis and photoluminescent measurement.Single crystal X-ray diffractions reveal that complexes 1 and 2 are 1D chain structures which are further connected into 3D supramolecular structures by hydrogen bonding interactions andπ-πstacking interactions.It′s noted that the solid-state fluorescent emissions of 1 and 2 are different in related to the different conformation modes of the bpdc2-ligand.展开更多
文摘Two alkaline-earth metal coordination complexes,[Ca(bpdc)(DMF)_(2)(H_(2)O)_(2)]_(n)(1)and[Mg(bpdc)(H_(2)O)_(3)]_(n)(2)(H_(2)bpdc=2,2′-Bipyridine-5,5′-dicarboxylic acid),have been obtained via solvothermal conditions and characterized by elemental analysis,IR spectra,thermogravimetric analysis and photoluminescent measurement.Single crystal X-ray diffractions reveal that complexes 1 and 2 are 1D chain structures which are further connected into 3D supramolecular structures by hydrogen bonding interactions andπ-πstacking interactions.It′s noted that the solid-state fluorescent emissions of 1 and 2 are different in related to the different conformation modes of the bpdc2-ligand.