Two Zinc(II) Coordination Polymers Based on Terphenyl-2,2′,4,4′-tetracarboxylate and Dipyridyl Ligands: Syntheses, Crystal Structures, and Luminescent Properties

Authors

  • Ji-Jiang Wang,

    Corresponding author
    1. School of Chemistry and Chemical Engineering Shaanxi Key, Laboratory of Chemical Reaction Engineering, Yan'an University, Yan'an 716000, P. R. China
    • School of Chemistry and Chemical Engineering Shaanxi Key, Laboratory of Chemical Reaction Engineering, Yan'an University, Yan'an 716000, P. R. China

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  • Tian-Tian Wang,

    1. School of Chemistry and Chemical Engineering Shaanxi Key, Laboratory of Chemical Reaction Engineering, Yan'an University, Yan'an 716000, P. R. China
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  • Long Tang,

    1. School of Chemistry and Chemical Engineering Shaanxi Key, Laboratory of Chemical Reaction Engineering, Yan'an University, Yan'an 716000, P. R. China
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  • Xiang-Yang Hou,

    1. School of Chemistry and Chemical Engineering Shaanxi Key, Laboratory of Chemical Reaction Engineering, Yan'an University, Yan'an 716000, P. R. China
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  • Mei-Li Zhang,

    1. School of Chemistry and Chemical Engineering Shaanxi Key, Laboratory of Chemical Reaction Engineering, Yan'an University, Yan'an 716000, P. R. China
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  • Lou-Jun Gao,

    1. School of Chemistry and Chemical Engineering Shaanxi Key, Laboratory of Chemical Reaction Engineering, Yan'an University, Yan'an 716000, P. R. China
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  • Feng Fu,

    1. School of Chemistry and Chemical Engineering Shaanxi Key, Laboratory of Chemical Reaction Engineering, Yan'an University, Yan'an 716000, P. R. China
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  • Yi-Xia Ren

    1. School of Chemistry and Chemical Engineering Shaanxi Key, Laboratory of Chemical Reaction Engineering, Yan'an University, Yan'an 716000, P. R. China
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  • Supporting Information for this article is available on the WWW under http://dx.doi.org/10.1002/zaac.201300360 or from the author.

Abstract

Two coordination polymers, {[Zn2(L)(bpy)]·2H2O}n (1) and [Zn2(L)(bpe)]n (2) [H4L = terphenyl-2,2′,4,4′-tetracarboxylic acid, bpy = 4,4′-bipyridine, and bpe = 1,2-bis(4-pyridyl)ethane], were hydrothermally synthesized under similar conditions and characterized by elemental analysis, IR spectroscopy, TGA, and single-crystal X-ray diffraction analysis. Compound 1 has a 3D framework containing Zn–O–C–O–Zn 1D chains. Compound 2 exhibits a 3D framework, which features tubular channels. The channels are occupied by bpe molecules. The differences in the structures demonstrate that the auxiliary dipyridyl-containing ligand has a significant effect on the construction of the final framework. Additionally, the fluorescent properties of the two compounds were also studied in the solid state at room temperature.

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