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首页> 外文期刊>Journal of chemical crystallography >Assembly of a New 2D Heterometallic 3d-4f Coordination Polymer Bearing Planar Tetranuclear Square Building Blocks
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Assembly of a New 2D Heterometallic 3d-4f Coordination Polymer Bearing Planar Tetranuclear Square Building Blocks

机译：组装新的2D杂项3D-4F配位轴承平面四核方形建筑块

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摘要

A new two-dimensional (2D) 3d-4f heterometallic coordination polymer, which is {[Tb2Zn4(mu(3)-TFMIDC)(4)(mu(4)-HTFMIDC)(H2O)(8)]2H(2)O}(n), has been successfully synthesized by the solvothermal reaction of 2-(trifluoromethyl)-1H-4,5-imidazole dicarboxylic acid (H3TFMIDC) with Zn(II) and Tb(III) ions. The title compound was structurally characterized by diverse characterization techniques including single-crystal X-ray diffraction, Fourier transform infrared spectroscopy, and thermogravimetric analysis. Single-crystal structure analysis reveals that the as-preprared compound is a 2D heterometallic 3d-4f coordination network based on interesting planar tetranuclear squares [Zn-4(TFMIDC)(4)] as building blocks, representing the first example of novel heterometallic coordination polymer based on the H3TFMIDC ligand. In addition, the title compound exhibits very intense green luminescence and characteristic transitions of the Tb(III) ion when excited at 291nm. Lattice parameters for the title compound: a=11.1449(12) angstrom, b=12.8498(13) angstrom, c=37.553(4) angstrom, ===90 degrees, V=5378.0(10)angstrom(3), Z=4.Graphical AbstractA unique 2D 3d-4f heterometallic coordination polymer containing interesting planar tetranuclear square building blocks has been constructed by the solvothermal reaction of 2-(trifluoromethyl)-1H-4,5-imidazole dicarboxylic acid (H3TFMIDC) with Zn(II) and Tb(III) ions.
机译：一种新的二维（2D）3D-4F杂象配位聚合物，其为{[Tb2zN4（mu（3）-tfmidc）（4）（mu（4）-htfmidc）（h2O）（8）] 2h（2）已经通过2-（三氟甲基）-1H-4,5-咪唑二甲酸二羧酸（H3TFMIDC）与Zn（II）和Tb（III）离子成功地合成。通过各种表征技术，包括单晶X射线衍射，傅里叶变换红外光谱和热重分析，构造化合物的结构表征。单晶结构分析表明，基于有趣的平面四核平方[Zn-4（TFMIDC）（4）]作为建筑块的2D异象3D-4F配位网络，其代表新型异常协调的第一个例子基于H3TFMIDC配体的聚合物。此外，标题化合物在291nm激发时表现出非常强烈的绿色发光和Tb（III）离子的特征转变。标题化合物的晶格参数：a = 11.1449（12）埃，B = 12.8498（13）埃，C = 37.553（4）埃埃克斯特罗姆，=== 90度，v = 5378.0（10）埃（3），z = 4.含有有趣的平面四核方形构建块的含有有趣平面四核方形构建块的独特的2D 2D-4F的杂动机配位聚合物是由2-（三氟甲基）-1H-4,5-咪唑二亚咪唑二甲酸（H3TFMIDC）的溶剂热反应构成，用Zn（II）和tb（iii）离子。

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