| Hydrothermal Synthesis and Crystal Structure of a Cd~(2+) Supramolecular Coordination Complex{[Cd_2(HCAM)_2(H_2O)_4]·3.5H_2O}_n with a 3D Metal-organic Open Framework |
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| 作者单位： | ZHOU Qiu-Xiang,BAI Xiao-Jie(Langfang Teachers College,Langfang 065000,China);LI Sha-Sha,WANG Meng(College of Chemical Engineering and Technology,Hebei University of Technology,Tianjin 300130,China) |
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| 摘 要： | <正>A three-dimensional coordination polymer {Cd_2(HCAM)_2(H_2O)_4]·3.5H_2O}_n was synthesized by the hydrothermal reaction of H_3CAM(H_3CAM=4-hydroxypyridine-2,6-dicerboxylic acid)and Cd(NO_3)_2·4H_2O.The structure was characterized by elemental analysis,thermal gravimetric analysis,infrared spectroscopy and single-crystal X-ray diffraction.It crystallizes in triclinic,space group P_1~-with a= 9.4389(19),b=11.009(2),c=11.192(2)(?),α=87.87(3),β= 74.63(3),γ=81.22(3)°,V=1108.2(4)(?)~3,Z=2,D_c=2.164g/cm~3,μ=2.011 mm~(-1),F(000)=710,R =0.0419 and wR=0.1170.X-ray analysis reveals that the title compound adopts a one-dimensional staircase structure by carboxyl of H_3CAM and water molecules,and it is further linked by hydrogen bonds to form a 3-D metal-organic open framework.The thermal gravimetric analysis displays that the framework exists stably below 300℃.
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Hydrothermal Synthesis and Crystal Structure of a Cd2+ Supramolecular Coordination Complex{[Cd2(HCAM)2(H2O)4]·3.5H2O}n with a 3D Metal-organic Open Framework |
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| Authors: | ZHOU Qiu-Xiang LI Sha-Sha WANG Meng BAI Xiao-Jie |
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| Abstract: | A three-dimensional coordination polymer {Cd2(HCAM)2(H2O)4]·3.5H2O}n was synthesized by the hydrothermal reaction of H3CAM (H3CAM = 4-hydroxypyridine-2,6-dicerboxylic acid) and Cd(NO3)2·4H2O.The structure was characterized by elemental analysis,thermal gravimetric analysis,infrared spectroscopy and single-crystal X-ray diffraction.It crystallizes in triclinic,space group P-1 with a = 9.4389(19),b = 11.009(2),c = 11.192(2) (A),α = 87.87(3),β =74.63(3),y = 81.22(3)°,V= 1108.2(4) (A)3,Z= 2,Dc= 2.164 g/cm3,μ = 2.011 mm-1,F(000) = 710,R= 0.0419 and wR = 0.1170.X-ray analysis reveals that the title compound adopts a one-dimensional staircase structure by carboxyl of H3CAM and water molecules,and it is further linked by hydrogen bonds to form a 3-D metal-organic open framework.The thermal gravimetric analysis displays that the framework exists stably below 300 ℃. |
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| Keywords: | hydrothermal synthesis 3D coordination polymer crystal structure |
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