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A Novel Luminescent Zinc(Ⅱ) Coordination Polymer with 2D → 3D Polythreaded Motif

覃业燕张鑫沈艺程姚元根

  Key Laboratory of Coal to Ethylene Glycol and Its Related Technology,Fujian Institute of Research on the Structure of Matter,Chinese Academy of Sciences    University of Chinese Academy Sciences  

摘要:A new zinc(Ⅱ) compound, [Zn(BTA)(UCA)]n(1, HBTA = 1,2,3-benzotriazole, HUCA = 4-imidazoleacrylic acid), has been synthesized via the hydrothermal reactions of Zn(OAC)2·2H2O, HBTA and HUCA. The crystal structure is of monoclinic, space group P21/c with a = 7.450(3), b = 18.911(8), c = 9.198(4) ?, β = 94.317(8)°, V = 1292.2(9) ?3, C12H9N5O2 Zn, Mr = 320.63, Z = 4, Dc = 1.648 g/cm3, F(000) = 648, μ = 1.909 mm-1, R = 0.0255 and w R = 0.0655 for 2104 observed reflections(I > 2σ(I)). Single-crystal X-ray diffraction analysis revealed that compound 1 features a two-dimensional(2D) layered framework based on benzotriazole controlled dinuclear [Zn2(BTA)2] subunits. Furthermore, these 2D layers are threaded into a 3D supramolecular framework via the direction of intermolecular hydrogen bonds and π...π interactions. In addition, the thermal stability and fluorescence property of compound 1 were also investigated.
  • DOI:

    10.14102/j.cnki.0254-5861.2011-0687

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  • 分类号:

    O634

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