| Synthesis,Crystal Structure and Properties of a Novel Coordination Polymer Based on a Trinuclear Mn（II） Cluster： [Mna（bpta）2（bip）2]n |
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| 作者姓名： | WANG Shu-Ju TIAN Yan-Wen YOU Li-Xin DING Fu SUN Ya-Guang |
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| 作者单位： | [1]School of Materials and Metallurgy, Northeastern University, Shenyang 110004, China [2]Laboratory of Coordination Chemistrk; ShenyangUniversity of Chemical Technology, Shenyang 110142, China |
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| 基金项目： | This work was conducted in the framework of a project sponsored by the National Natural Science Foundation of China （No, 21071100）, Liaoning Baiqianwan Talents Program and the LNET （LJQ2011038） |
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| 摘 要： | The coordination polymer, Mn3（bpta）2（bip）2], （H3bpta = biphenyl-3,3＇,5-tricar- boxylic acid, bip = 2,6-bis（imidazole-1-yl）pyridine）, has been synthesized under hydrothermal con- ditions and characterized by elemental analysis, FT-IR, XRD, TGA and single-crystal X-ray diffraction. It crystallizes in monoclinic, space group P21/c with a = 14.919（3）, b = 9.780（2）, c = 20.352（7） A, V = 2344.4（10） A3, Z= 2, C52H32Mn3N10012, Mr = 1153.70, Dc = 1.634 g/cm3, p（MoKa） = 0.876 mm-1, F（000） = 1170, the finalR = 0.0605 and wR = 0.1177. The complex forms a 2D layer with trinuclear Mn（II） units and further assembles into a 3D supramolecular network structure through C-H..＇O hydrogen bonding and C-H...π interactions. Moreover, the negative J value indicates the presence of antiferromagnetic coupling between the Mn（II） ions within a trinuclear unit.
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| 关 键 词： | 配位聚合物 锰（Ⅱ） BIP 晶体结构 合成 三核 单晶X-射线衍射 性质 |
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