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Bis(2-methylimidazolium) hydroxodiphosphatoaluminium.

Junya Takashima1, Kazumasa Sugiyama, Tokuhei Tagai

  • 1Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo, 113-0033, Japan.

Acta Crystallographica. Section C, Crystal Structure Communications
|July 9, 2004
PubMed
Summary

A novel one-dimensional aluminophosphate, (C4H7N2)2[AlP2O7(OH)], was synthesized using solvothermal methods. This material features extended chains linked by hydrogen bonds to 2-methylimidazolium cations.

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Area of Science:

  • Materials Science
  • Inorganic Chemistry
  • Crystallography

Background:

  • Aluminophosphates are a versatile class of materials with diverse structures and applications.
  • One-dimensional (1D) extended-chain structures offer unique properties for material design.
  • Solvothermal synthesis provides a controlled environment for crystal growth and phase formation.

Purpose of the Study:

  • To synthesize and characterize a novel one-dimensional aluminophosphate compound.
  • To investigate the structural features and bonding interactions within the new material.
  • To explore the potential of alcohol systems in solvothermal synthesis of aluminophosphates.

Main Methods:

  • Solvothermal synthesis utilizing an alcohol solvent system.
  • Single-crystal X-ray diffraction for structural determination.

Related Experiment Videos

  • Infrared spectroscopy to identify functional groups and hydrogen bonding.

    • Main Results:

    • Successful synthesis of the title compound (C4H7N2)2[AlP2O7(OH)].
    • Determination of a one-dimensional extended-chain structure ([AlP2O7(OH)]2-) composed of AlO4 and PO4 tetrahedra.
    • Identification of hydrogen bonding interactions between the aluminophosphate chains and 2-methylimidazolium cations.

    Conclusions:

    • The solvothermal method in an alcohol system is effective for preparing 1D aluminophosphates.
    • The crystal structure reveals a unique chain arrangement stabilized by hydrogen bonds.
    • This compound represents a new structural motif in the field of aluminophosphate materials.