Synthesis and Crystal Structures of Two Cd(II) Coordination Polymers Assembled by 4-Carboxymethoxy-3-phenylacrylic Acid Ligands

IF 0.4 4区化学 Q4 CRYSTALLOGRAPHY

Journal of Chemical Crystallography Pub Date : 2022-03-23 DOI:10.1007/s10870-022-00938-0

Pan-Lei Xiao, Jia Gu, Da-Yong Peng, Wan-Ming Xiong, Xu-Liang Nie

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Abstract

Two Cd(II) complexes, [Cd(CMOPAA)(Phen)(H₂O)]_n (1) and [Cd(CMOPAA)(Bipy)]_n (2), (H₂CMOPAA = 4-carboxymethoxy-3-phenylacrylic acid, Phen = 1,10-phenanthroline and 2,2′-bipyridine = Bipy) were synthesized with 4-carboxymethoxy-3-phenylacrylic acid ligands by solvothermal condition and structurally characterized by element analysis, IR, TGA and single crystal X-ray diffraction. Complex 1 crystalizes in the monoclinic system, space group C2/c with a = 12.4609 (11) Å, b = 18.7973 (16) Å, c = 13.4544 (12) Å, β = 99.732 (1)°, V = 3106.1 (5) Å³. The asymmetric unit of complex 1 consists of one Cd(II) ion, one CMOPAA²⁻ ligand, one Phen ligand and one H₂O. Cd(II) ion is an eight-coordinated distorted dodecahedron geometry. Each CMOPAA²⁻ ligand coordinates with two adjacent Cd(II) ions to form a one-dimensional chain. Complex 2 crystalizes in the triclinic system, space group P-1 with a = 9.407 (3) Å, b = 9.838 (3) Å, c = 11.792 (4) Å, α = 83.974 (4)°, β = 78.392 (3)°, γ = 67.019 (3)°, V = 983.7 (5) Å³. The asymmetric unit of complex 2 consists of one Cd(II) ion, one CMOPAA²⁻ ligand and one Bipy ligand. Cd(II) ion is a seven-coordinated twisted single-cap triangular prism configuration. The hexadentate bridging CMOPAA²⁻ ligands coordinates with four adjacent Cd(II) ions to form a one-dimensional chain. The tetradentate bridging CMOPAA²⁻ ligands link the neighboring one-dimensional chains to form a novel two-dimensional network structure.

Graphical Abstract

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4-羧基甲氧基-3-苯基丙烯酸配体组装两种Cd(II)配位聚合物的合成及晶体结构

以4-羧基甲氧基-3-苯基丙烯酸为配体，采用溶剂热法合成了[Cd(CMOPAA)(Phen)(H2O)]n(1)和[Cd(CMOPAA)(Bipy)]n (2)， (H2CMOPAA = 4-羧基甲氧基-3-苯基丙烯酸，Phen = 1,10-菲罗啉和2,2 ' -联吡啶= Bipy)两个Cd(II)配合物，并用元素分析、IR、TGA和单晶x射线衍射对其结构进行了表征。配合物1在单斜晶系中结晶，空间群C2/c, a = 12.4609 (11) Å， b = 18.7973 (16) Å， c = 13.4544 (12) Å， β = 99.732(1)°，V = 3106.1 (5) Å3。配合物1的不对称单元由1个Cd(II)离子、1个CMOPAA2 -配体、1个Phen配体和1个H2O组成。Cd(II)离子是一个八配位畸变十二面体几何。每个CMOPAA2−配体与两个相邻的Cd(II)离子配位形成一维链。复杂的2在三斜晶系的结晶系统,空间群p - 1 = 9.407 (3), b = 9.838 (3) a, c = 11.792(4),α= 83.974(4)°,β= 78.392(3)°,γ= 67.019(3)°,V = 983.7 (5) A3。配合物2的不对称单元由一个Cd(II)离子、一个cpaa2−配体和一个Bipy配体组成。Cd(II)离子是七配位的扭曲单帽三角棱镜结构。六齿桥接cpaa2 -配体与四个相邻的Cd(II)离子配位形成一维链。四齿桥接CMOPAA2 -配体连接邻近的一维链，形成新的二维网络结构。摘要以4-羧基甲氧基-3-苯基丙烯酸为配体合成了[Cd(CMOPAA)(Phen)(H2O)]n(1)和[Cd(CMOPAA)(Bipy)]n(2)两个Cd(II)配合物(H2CMOPAA = 4-羧基甲氧基-3-苯基丙烯酸，Phen = 1,10-菲罗啉和2,2 ' -联吡啶= Bipy)，并通过元素分析、IR、TGA和单晶x射线衍射对其结构进行了表征。配合物1为一维链，配合物2为二维网状结构。

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来源期刊

Journal of Chemical Crystallography 化学-光谱学

CiteScore

1.50

自引率

12.50%

发文量

审稿时长

6.3 months

期刊介绍： Journal of Chemical Crystallography is an international and interdisciplinary publication dedicated to the rapid dissemination of research results in the general areas of crystallography and spectroscopy. Timely research reports detail topics in crystal chemistry and physics and their relation to problems of molecular structure; structural studies of solids, liquids, gases, and solutions involving spectroscopic, spectrometric, X-ray, and electron and neutron diffraction; and theoretical studies.