Hydrothermal Synthesis, Crystal Structure and Properties of a Novel 3D Metal-organic Coordination Polymer with Helical Chains Based on 5-(Imidazol-1-ylmethyl)isophthalic Acid

LI Fu-An; YANG Wei-Chun; MIAO Xu; LI Song-Tian

首页> 中文期刊> 《结构化学》 >Hydrothermal Synthesis, Crystal Structure and Properties of a Novel 3D Metal-organic Coordination Polymer with Helical Chains Based on 5-(Imidazol-1-ylmethyl)isophthalic Acid

Hydrothermal Synthesis, Crystal Structure and Properties of a Novel 3D Metal-organic Coordination Polymer with Helical Chains Based on 5-(Imidazol-1-ylmethyl)isophthalic Acid

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A novel 3D metal-organic coordination polymer with helical chains based on a flexible 5-(imidazol-1-ylmethyl)isophthalic acid(H_2L) as a main ligand and 1,2-bis(4-pyridyl)ethane(bpa) as a N-containing ancillary ligand,[Cd L(bpa)_(0.5)]_n(1),has been obtained under hydrothermal conditions and characterized by elemental analysis,powder X-ray diffraction(PXRD),IR,thermal gravimetric analyses(TGA) and single-crystal X-ray diffraction.It crystallizes in monoclinic,space group P2_1/c with a = 10.984(2),b = 10.1829(12),c = 17.782(3) ?,β = 123.156(11)o,V = 1665.1(5) ?~3,Z = 4,Mr = 448.72,Dc = 1.790 g/cm^3,Rint = 0.0871,F(000) = 892,the final R = 0.0687 and w R = 0.1294 for 2920 observed reflections(I > 2σ(I)).In complex 1,the L^(2-) anions connect Cd(Ⅱ) ions to form two-dimensional metal-organic layers(Cd_2L_2)n,in which the 1D helical chains(Cd-L)_n are alternately arranged in a right-and left-handed sequence.These layers are further linked to build a 3D network by the bpa ligand.In addtion,photoluminescent properties for 1 are also investigated.

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《结构化学》 |2016年第3期|421-427|共7页
作者
LI Fu-An; YANG Wei-Chun; MIAO Xu; LI Song-Tian;
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College of Chemistry and Chemical Engineering,Pingdingshan University, Pingdingshan 467000, China;

College of Chemistry and Chemical Engineering,Pingdingshan University, Pingdingshan 467000, China;

College of Chemistry and Chemical Engineering,Pingdingshan University, Pingdingshan 467000, China;

College of Chemistry and Chemical Engineering,Pingdingshan University, Pingdingshan 467000, China;

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Hydrothermal Synthesis, Crystal Structure and Properties of a Novel 3D Metal-organic Coordination Polymer with Helical Chains Based on 5-(Imidazol-1-ylmethyl)isophthalic Acid

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