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A Novel Boat-Shaped Rare Earth Complex with a 3-D Interlinked Structure of Pr(III) and 1,2,4,5-Benzenetetracarboxylic Acid

  • Q. B. Bo
  • Z. X. Sun
  • Y. L. Sheng
  • Z. W. Zhang
  • G. X. Sun
  • C. L. Chen
  • Y. X. Li
Article

Abstract

A novel boat-shaped praseodymium (III)-carboxylate polymeric complex [Pr(Hbtec)]n (H4btec = 1,2,4,5-benzenetetracarboxylic acid) with 3-D interlinked structure, which contains nine-coordinate rare earth metal centers, simplified as PRCPC, has been synthesized under hydrothermal conditions. The frames interlinked with each other and formed a unique boat-like alignment. PRCPC that was obtained was characterized by differential thermal analysis/thermogravimetry (DTA/TG), single crystal X-ray diffraction, elemental analysis and FTIR spectral analysis. Analysis of the single-crystal X-ray diffraction confirms that PRCPC crystallizes in triclinic symmetry with space group (P − 1), where a = 7.325(3), b = 8.162(3), c = 8.791(3) Å, α = 65.345(4), β = 86.015(4), γ = 84.203(5)°, V = 475.0(3) Å3, Z = 2, R1 = 0.0201, wR2 = 0.0505. PRCPC exhibits high thermal stability and its supramolecular frame remains stable without any change under heat treatment to 510°C.

Keywords

Rare earth complex hydrothermal synthesis crystal structure thermal stability differential thermal analysis thermogravimetric analysis. 

Notes

Acknowledgement

This work was supported by Doctoral Foundation of Jinan University.

Supplementary material

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Copyright information

© Springer Science+Business Media, Inc. 2006

Authors and Affiliations

  • Q. B. Bo
    • 1
  • Z. X. Sun
    • 1
  • Y. L. Sheng
    • 1
  • Z. W. Zhang
    • 1
  • G. X. Sun
    • 1
  • C. L. Chen
    • 1
  • Y. X. Li
    • 1
  1. 1.Institute of Chemistry and Chemical EngineeringJinan UniversityJinanP.R. China

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