| Hydrothermal Assembly and Structural Characterization of a Novel 3D Coordination Polymer: [Cd_2Zn(BTC)_2(H_2O)_4]_n·2nH_2O |
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| 作者姓名： | CHEN Jian-Xina b LIU Shi-Xionga |
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| 作者单位： | CHEN Jian-Xina，b LIU Shi-Xionga，(Central Laboratory，Fuzhou University，Fuzhou，Fujian 350002，China) (College of Chemistry and Materials Science，Fujian Normal University，Fuzhou，Fujian 350007，China) c(State Key Laboratory of Structural Chemistry，Fujian Institute of Research on the Structure of Matter，The Chinese Academy of Sciences，Fuzhou，Fujian 350002，China) |
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| 基金项目： | This work was supported by the National Natural Science Foundation of China (20171012) and Natural Science Foundation of Fujian Province (E0110010) |
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| 摘 要： | 1INTRODUCTIONThehydrothermalsynthesisofmetalsaltsofaro-maticpolycarboxylicacidisattractinginterestinthefieldofcrystalengineeringasaconsequenceoftheirnovelstructuresandpropertiessuchasporosityandmagneticinteractionsbetweenparamagneticmetal-ions1~7].1,3,5-Benzenetricarboxylicacid(H3-BTC)hasreceivedconsiderableattentionasatridentatearomaticpolycarboxylicligandcapableofformingcoordinationpolymers.Manyscientistshavesuc-ceededinsynthesizingvarietyofporouscoordina-tionpolymerswithhighdimension…
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Hydrothermal Assembly and Structural Characterization of a Novel 3D Coordination Polymer: [Cd_2Zn(BTC)_2(H_2O)_4]_n·2nH_2O |
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| CHEN Jian-Xina,b LIU Shi-Xionga,.Hydrothermal Assembly and Structural Characterization of a Novel 3D Coordination Polymer: [Cd_2Zn(BTC)_2(H_2O)_4]_n·2nH_2O[J].Chinese Journal of Structural Chemistry,2005(1). |
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| Authors: | CHEN Jian-Xina b LIU Shi-Xionga |
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| Abstract: | A hydrothermal reaction of 1,3,5-benzene-tricarboxylic acid (H3BTC) with cad- mium acetate, zinc acetate and pyridine led to the formation of pink crystals of Cd2Zn(BTC)2- (H2O)4]n?2nH2O 1. Single-crystal X-ray diffraction analysis has revealed that 1 (Cd2ZnC18H18O18) crystallizes in the monoclinic system, space group C2/c with a = 19.4328(7), b = 7.1420(3), c = 18.0426(5) ?, β = 118.035(1)o, V = 2210.3(1) ?3, Mr = 812.49, Dc = 2.442 g/cm3, Z = 4, μ(MoKα) = 3.081 mm-1 and F(000) =1584. A total of 10735 reflections were collected, of which 2544 were unique. The structure was refined to R = 0.0200 and wR = 0.0603 for 2388 observed reflections with I>2σ(I). The crystal structure consists of cadmium(II)/zinc(II) carboxylates of BTC as well as coordination and discrete water molecules. Extension of the coordination geometry around three metal centers (Cd(1), Cd(2) and Zn(1)), two BTC3- ligands and four coordinated water molecules generates a three-dimensional coordination polymer. |
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| Keywords: | hydrothermal reaction coordination polymer 1 3 5-benzene-tricarboxylic acid cadmium complex zinc |
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