Journal of Structural Chemistry

, Volume 60, Issue 5, pp 823–829 | Cite as

Crystal Structure of Coordination Polymers Based on Scandium and 2,5-Pyrazinedicarboxylic Acid

  • M. O. Barsukova
  • A. A. Sapianik
  • D. G. Samsonenko
  • V. P. FedinEmail author


In the interaction of scandium chloride hexahydrate and 2,5-pyrazinedicarboxylic acid (H2pzc) dihydrate in different solvent mixtures two novel coordination polymers are obtained under solvothermal conditions: [Sc2(dmf)2(H2O)2(pzc)3] (1) and [Sc2(H2O)2(pzc)3]·2CH3CN·H2O (2) (dmf is N,N-dimethylformamide). Crystal structures of compounds 1 and 2 are determined by single crystal X-ray diffraction and supported by elemental and thermogravimetric data and IR spectroscopy. The phase purity of the samples prepared is confirmed by powder X-ray diffraction. It is shown that the coordination environment of the scandium cation and the 2,5-pyrazinedicarboxylate ligand denticity change depending on the composition of a solvent mixture. Compound 1 has a layered structure while in the structure of 2 there is a three-dimensional framework.


scandium coordination polymers heterocyclic ligands X-ray crystallography analysis 


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Copyright information

© Pleiades Publishing, Ltd. 2019

Authors and Affiliations

  • M. O. Barsukova
    • 1
    • 2
  • A. A. Sapianik
    • 1
    • 2
  • D. G. Samsonenko
    • 1
    • 2
  • V. P. Fedin
    • 1
    • 2
    Email author
  1. 1.Nikolaev Institute of Inorganic Chemistry, Siberian BranchRussian Academy of SciencesNovosibirskRussia
  2. 2.Novosibirsk State UniversityNovosibirskRussia

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