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Chemical Papers

, Volume 68, Issue 2, pp 210–216 | Cite as

A new organically templated magnesium sulfate: structure, spectroscopic analysis, and thermal behaviour

  • Dhouha ben Hassan
  • Walid RekikEmail author
  • Houcine Naïli
  • Tahar Mhiri
Original Paper

Abstract

A new magnesium sulfate templated by 2-methylpiperazine, (C5H14N2)[Mg(H2O)6](SO4)2, was prepared by the slow evaporation method. The obtained crystals were investigated by the Raman and FTIR spectroscopy and crystallographically characterised by single-crystal X-ray diffraction. The compound crystallises in the monoclinic system, space group P21/n. Supramolecular network of this hybrid material consists of Mg2+ cations octahedrally coordinated by six water molecules, sulfate tetrahedra and protonated and disordered diamine linked together by two types of hydrogen bonds: OW—H…O and N—H…O. Dehydration of the title compound takes place in three steps. Thermal decomposition of the anhydrous phase consists in the loss of the organic moiety and one sulfate group leading to the formation of magnesium sulfate.

Keywords

amine magnesium sulfate supramolecular network crystal structure thermal decomposition dehydration 

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Copyright information

© Institute of Chemistry, Slovak Academy of Sciences 2013

Authors and Affiliations

  • Dhouha ben Hassan
    • 1
  • Walid Rekik
    • 1
    Email author
  • Houcine Naïli
    • 1
  • Tahar Mhiri
    • 1
  1. 1.Laboratoire Physico-chimique de l’état Solide, Département de Chimie, Faculté des Sciences de SfaxUniversité de SfaxSfaxTunisie

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