Journal of Structural Chemistry

, Volume 51, Issue 6, pp 1145–1151 | Cite as

Crystal structure and thermal properties of novel Co(II) complexes with 2,6-pyridine-dicarboxylate containing infinite one-dimensional chain: [CoL1(H2O)4][Co(pydc)2]·2H2O and [Co(H2O)6]×[Co(pydc)2]L2·H2O (L1 = 1,3-bis(4-pyridyl)propane, L2 = 3-amino-1H-1,2,4-triazole, pydc = 2,6-pyridine-dicarboxylic acid)

  • M. -S. Zhang
  • B. -W. Sun
  • R. -B. Fang
  • Q. -H. Zhao
Article
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Abstract

The two title compounds were prepared from the ligand pydc with cobalt(II) acetate in the presence of L1 and L2 (L1 = 1,3-bis(4-pyridyl)propane, L2 = 3-amino-1H-1,2,4-triazole, pydc = 2,6-pyridinedicarboxylic acid). The complexes were characterized by elemental analysis, IR spectrum and single crystal X-ray diffraction. Single crystal analysis shows that in two complexes coordination number around Co atom is six with distorted octahedral geometry, and both two complexes consist of ion pairs containing cationic [Co(H2O) n ]2+ and anionic [Co(pydc)2]2- units.

Keywords

Co(II) complexes one-dimentional complexes crystal structure hydrogen bonding 2,6-pyridinedicarboxylic acid 
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Copyright information

© Pleiades Publishing, Ltd. 2010

Authors and Affiliations

  • M. -S. Zhang
    • 1
  • B. -W. Sun
    • 2
  • R. -B. Fang
    • 1
  • Q. -H. Zhao
    • 1
  1. 1.School of Chemical Science and Engineer, Key Laboratory of Natural Resources and Medicinal ChemistryYunnan UniversityKunmingP. R. China
  2. 2.Department of Chemistry and Chemical EngineeringSoutheast UniversityNanjingP. R. China

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