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  • Title: A new two-dimensional CdII coordination polymer based on 1,3-bis(2-methyl-1H-imidazol-1-yl)benzene and 1,3-phenylenediacetic acid: synthesis, crystal structure and physical properties.
    Author: Chen NN, Ni JN, Wang J.
    Journal: Acta Crystallogr C Struct Chem; 2018 Dec 01; 74(Pt 12):1576-1580. PubMed ID: 30516139.
    Abstract:
    A novel two-dimensional CdII coordination framework, poly[[[μ-1,3-bis(2-methyl-1H-imidazol-1-yl)benzene-κ2N:N'](μ-1,3-phenylenediacetato-κ4O,O':O'',O''')cadmium(II)] dihydrate], {[Cd(C10H8O4)(C14H14N4)]·2H2O}n or {[Cd(PDA)(1,3-BMIB)]·2H2O}n [1,3-BMIB is 1,3-bis(2-methyl-1H-imidazol-1-yl)benzene and H2PDA is 1,3-phenylenediacetic acid], has been prepared and characterized using IR, elemental analysis, thermal analysis and single-crystal X-ray diffraction, the latter revealing that the compound is a (4,4) grid coordination polymer with layers oriented parallel to the bc crystal planes. In the crystal, adjacent layers are further connected by O-H...O and C-H...O hydrogen bonds, forming a three-dimensional structure in the solid state. In addition, the compound exhibits strong fluorescence emissions and shows photocatalytic activity for the degradation of methylene blue in the solid state at room temperature.
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