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铜-钙异金属配位聚合物{[(CuL)Ca(CuL)]·CH_3CH_2OH·0.5CH_3OH}_n的合成、表征及晶体结构

Syntheses,Characterization and Crystal Structures of Cu-Ca Heterometallic Chain Coordination Polymer {[(CuL)Ca(CuL)]·CH_3CH_2OH·0.5CH_3OH}_n
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摘要 按1∶1的摩尔比,在试管中将铜配合物KCuL的甲醇溶液和CaCl2的水溶液进行缓慢扩散反应得到了具有1D链状结构的异金属配位聚合物,其化学组成为{[(CuL)Ca(CuL)].CH3CH2OH.0.5CH3OH}n,(H3L=N-(2-{[(1E)-(5-氯-2-羟基苯基)亚甲基]胺基}乙基)-2-羟基苯甲酰胺).通过IR谱,元素分析的方法对其进行了表征,利用X射线单晶衍射方法对其晶体结构进行了测定,该晶体属三斜晶系,空间群Pī,晶胞参数a=1.22428(18)nm,b=1.30262(19)nm,c=1.427 1(2)nm,α=113.146(2)°,β=108.114(2)°,γ=97.384(2)°,V=1.9053(5)nm3,C33.5H29Cl2Cu2CaN4O7,Mr=860.725,Z=2,Dc=1.411 g/cm3,μ(MoK)α=1.435mm-1,F(000)=824,R=0.0793,wR=0.2010,(I>2σ(I)),9616个可观察衍射点,6544个独立衍射点.结构分析表明:该化合物是由四核环相互连接而成的具有链状结构的配位聚合物. Heterometallic chain coordination polymer with the chemical formula { [（CuL） Ca（CuL）] · CH3CH2OH·0.5CH3OH}n has been synthesized by a slow diffusio, reaction of KCuL methanol solution and CaCl2 aqueous solution with a 1 ： 1 mole ratio in test-tubes, and characterized by elemental analysis, and IR spectra, where H3L = N-（2-{ [（1E）-（5-chloro-2-hydroxyphenyl） methylene] amino} ethyl）-2-hydroxybenzamide）. The crystal structures were determined by single-crystal X ray diffraction analyses. The complex erystalizes in triclinic, space group Piwith a=1.224 28（18）nm, b=1.302 62（19）nm, c=1.427 1（2）nm,a=113.146（2）°,β=108.114（2）°,7=97.384（2）°,V=1.9053（5） nm^3, C33.5H29Cl2Cu2CaN4O7, Mr=860.725, Z=2, Dc=1.411g/cm^3,μ（MoKa）=1.435mm^-1, F （000）=824, R：0.079 3, wR=0.2010, （1〉2σ（I））, 9 616 reflections collected with I〉2a（1）, 6 544 independent reflections, the compound is a heterometallie coordination polymer with chain molecular structures formed by tetranuclear cycles.
作者 李付安 王守斌 陶偌偈
机构地区 河南大学化学化工学院分子与晶体工程研究所 平顶山学院化学化工学院
出处 《河南大学学报（自然科学版）》 CAS 北大核心 2009年第5期475-479,共5页 Journal of Henan University:Natural Science
基金 河南省自然科学基金项目(092300410031) 河南省教育厅自然科学基金项目(2009A150005)
关键词 铜 钙 配位聚合物 晶体结构 copper calcium coordination polymer crystal structure
分类号 O614.121 [理学—无机化学]
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参考文献11

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河南大学学报（自然科学版）
2009年 第5期

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