Syntheses, Crystal Structures, Thermal Stabilities and Luminescent Properties of Two Pillared Layered Alkaline–Earth Coordination Polymers

  • Pengfei Wang
  • Guozhi Wu
  • Jiaojiao Yuan
  • Xin Wang


Two new three-dimensional pillared layered coordination polymers, [M(2,5-PDC)H2O]n [M(II) = Sr(1), Ba (2)] were synthesized under hydrothermal conditions using alkaline–earth metal centers strontium and barium with 2,5-pyridinedicarboxylic acid as the organic ligand. The structures of two compounds have been determined by single-crystal X-ray diffraction analyses and further characterized by IR spectrum, elemental analyses, powder X-ray diffraction, and thermogravimetric analyses. The compounds are isostructural, confirmed by their powder XRD measurements. They feature a pillared layered framework structures. Within the layer, the dinuclear [M2O2] units through the bridge of the coordination water molecule are found, which are connected by carboxylate groups along the a- and b-axis, respectively. The layers are further pillared by the pyridyl groups of the 2,5-PDC2− ligands. Furthermore, the luminescent properties of two compounds have also been investigated in the solid state.


Coordination polymer Alkaline–earth Crystal structure Luminescence 



This work is supported by National Natural Science Foundation of China (No. 21101019) and the Key Subject of Chizhou College (2011XK04). We also thank Prof. Li-Min Zheng and Dr. Zhong-Sheng Cai at Nanjing University for the physical properties measurements.

Supplementary material

10904_2013_9906_MOESM1_ESM.doc (304 kb)
CCDC 936685 and 936686 contains the supplementary crystallographic data for compounds 1 and 2, respectively. These data can be obtained free of charge from The Cambridge Crystallographic Data Centre via The other supplementary materials (including the IR spectrum, PXRD patterns of two compounds, and the structure figures of compound 2) are provided. (DOC 303 kb)


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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  • Pengfei Wang
    • 1
  • Guozhi Wu
    • 1
  • Jiaojiao Yuan
    • 1
  • Xin Wang
    • 1
  1. 1.Department of Materials and Chemical Engineering, Center of Chemical Materials and Engineering ExperimentChizhou CollegeChizhouPeople’s Republic of China

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