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） A~3,Z=2,Mr= 628.81,Dc = 1.718 Mg/m~3,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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- 分类号：
O634
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