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Acta Chimica Sinica >

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

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

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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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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

Cite this article

JIANG Yong , QIU Xiao , LI Xia . Fluorinated Dicarboxylic Acids and Transition-metal(Ⅱ) Complexes with N-ligands: Synthesis, Characterizations and Crystal Structures[J]. Acta Chimica Sinica, 2012 , 70(03) : 303 -310 . DOI: 10.6023/A1106044

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