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2012 , Vol. 70 >Issue 03: 303 - 310

DOI: https://doi.org/10.6023/A1106044

研究论文

含氟二羧酸和含氮配体与过渡金属(Ⅱ)配合物的合成、表征及晶体结构

  • 蒋勇 ,
  • 邱晓 ,
  • 李夏
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  • 首都师范大学化学系 北京 100048

收稿日期: 2011-06-04

  修回日期: 2011-09-05

  网络出版日期: 2011-10-19

基金资助

国家自然科学基金(No. 21071101)资助项目.

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Fluorinated Dicarboxylic Acids and Transition-metal(Ⅱ) Complexes with N-ligands: Synthesis, Characterizations and Crystal Structures

  • JIANG Yong ,
  • QIU Xiao ,
  • LI Xia
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  • Department of Chemistry, Capital Normal University, Beijing 100048

Received date: 2011-06-04

  Revised date: 2011-09-05

  Online published: 2011-10-19

Supported by

This work is supported by the National Natural Science Foundation of China (No. 21071101).

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摘要

水热法合成了5 个新的配位聚合物: [Cd(TFSA)(2,2'-bpy)2]n (1), [Mn(HFGA)(phen)2]n (2), [Co(TFSA)(bpp)2(H2O)2]n (3), [Zn(TFSA)(bpp)2(H2O)2]n (4)和[Cu(HFGA)(phen)]n (5) (TFSA＝四氟丁二酸, HFGA＝六氟戊二酸, 2,2'-bpy＝2,2'-联吡啶, phen＝1,10-邻菲啰啉, bpp＝1,3-二吡啶基丙烷), 通过X 射线单晶衍射确定了配合物的晶体结构. 配合物1 和2 具有相似的1D 链结构, 四氟丁二酸和六氟戊二酸以两个单齿羧基氧原子分别配位于Cd2+和Mn2+离子, 2,2'-联吡啶和1,10-邻菲啰啉分别螯合配位于Cd2+和Mn2+离子. 配合物3 和4 具有相似的1D 链结构, 1,3-二吡啶基丙烷以两个端基氮原子桥联金属离子, 四氟丁二酸和六氟戊二酸分别以单齿方式配位. 配合物5 是具有{4.82}拓扑的2D 网结构, 六氟丁二酸配体通过单齿/双齿-桥联模式连接Cu2+离子. 5 个配合物均通过分子间弱作用进一步构筑成3D 超分子结构.

关键词： 过渡金属配合物; 四氟丁二酸; 六氟戊二酸; 含氮配体; 晶体结构

本文引用格式

蒋勇 , 邱晓 , 李夏 . 含氟二羧酸和含氮配体与过渡金属(Ⅱ)配合物的合成、表征及晶体结构[J]. 化学学报, 2012 , 70(03) : 303 -310 . DOI: 10.6023/A1106044

Abstract

Five new coordination polymers [Cd(TFSA)(2,2'-bpy)2]n (1), [Mn(HFGA)(phen)2]n (2), [Co(TFSA)(bpp)2(H2O)2]n (3), [Zn(TFSA)(bpp)2(H2O)2]n (4) and [Cu(HFGA)(phen)]n (5) (TFSA＝tetrafluorosuccinate, HFGA＝hexafluoroglutarate, 2,2'-bpy＝2,2'-bipyridine, phen＝1,10-phenanthroline, bpp＝ 1,3-bis(4-pyridyl)propane) have been synthesized and structurally characterized by X-ray single crystal diffraction. The complexes 1 and 2 have similar 1D chain structures, in which adjacent Cd2+ and Mn2+ ions are linked by TFSA and HFGA ligands using its two monodentate carboxylate groups, while 2,2'-bipy and phen act as terminal ligands to chelate the Cd2+ and Mn2+ ion, respectively. The complexes 3 and 4 have similar 1D chain structures, in which adjacent metal ions Co2+ or Zn2+ are linked by bpp ligands using its two N atoms, while TFSA and HFGA act as terminal ligands using one carboxylate oxygen atom to coordinate the metal(Ⅱ) ion. Complex 5 has a 2D network structure with the topology of {4.82}, in which the neighbouring Cu2+ ions are connected through HFGA ligands using a monodantate/bidentate-bridging mode. All of five complexes are further connected by hydrogen bonds and π-π stacking interactions into 3D supramolecular structures.

Key words： transition-metal complex; tetrafluorosuccinate; hexafluoroglutarate; N-ligand; crystal structure

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