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Synthesis, Crystal Structure and Luminescence of a Cadmium(Ⅱ) Coordination Polymer with 3,6-Connected rtl Topology

XUE Li-PingSHAN Li-LiFENG Wen-Jing

College of Chemistry and Chemical Engineering,Luoyang Normal University

摘要:A new cadmium(Ⅱ) coordination polymer,[Cd(Hcna)2]n(1),was hydrothermally synthesized based on 5-(4-carboxyphenoxy)nicotinic acid(H2cna) organic linker.X-ray singlecrystal diffraction determination reveals that 1 crystallizes in the monoclinic P21/c space group,with a = 10.101(2),b = 7.9139(17),c= 15.627(3) A,β= 103.364(3)°,V= 1215.4(4) A3,Z=2,Mr= 628.81,Dc = 1.718 Mg/m3,μ= 0.963 mm-1,F(000) = 628,the final R = 0.0177 and wR = 0.0432 for 2263 observed reflections with I> 2σ(I).In 1,the Cd(Ⅱ) cations are connected by nicotiniate units to form a two-dimensional(2D) layer,and it is further linked through benzoate units to form a three-dimensional(3D) structure.Topologically,the structure of 1 represents a 3,6-connected 3D rtl topology.Furthermore,thermal stability and photoluminescent property of 1 have also been investigated.
  • DOI:

    10.14102/j.cnki.0254-5861.2011-0845

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    O634

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