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Updated: May 11, 2026

From Molecules to Materials: Engineering New Ionic Liquid Crystals Through Halogen Bonding
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Published on: March 24, 2018

A new oxyfluorotellurate(IV), InTe2O5F.

Nefla Jennene Boukharrata1, Jean-René Duclère, Jean-Paul Laval

  • 1Science des Procédés Céramiques et de Traitements de Surface, UMR-CNRS No. 7315, Université de Limoges, Centre Européen de la Céramique, 12 Rue Atlantis, 87068 Limoges Cedex, France.

Acta Crystallographica. Section C, Crystal Structure Communications
|May 1, 2013
PubMed
Summary

A novel indium oxyfluorotellurate(IV) compound, InTe2O5F, was synthesized and characterized. Its unique crystal structure features helical chains of indium octahedra linked by Te2O5 units, creating cavities for tellurium lone pairs.

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Area of Science:

  • Inorganic Chemistry
  • Solid-State Chemistry
  • Materials Science

Background:

  • Oxyfluorotellurates are an emerging class of inorganic compounds with potential applications.
  • Understanding the structure-property relationships in these materials is crucial for their development.

Purpose of the Study:

  • To synthesize and characterize a new indium oxyfluorotellurate(IV) compound.
  • To elucidate the crystal structure and bonding of the novel material.

Main Methods:

  • Solid-state reaction for synthesis.
  • Single-crystal X-ray diffraction for structural characterization.

Main Results:

  • Successful synthesis of indium fluoridopentaoxidotellurate(IV), InTe2O5F.
  • Determination of a 3D framework structure composed of InO4F2 octahedra and Te2O5 units.
  • Identification of helical chains formed by InO4F2 octahedra linked by fluorine atoms.
  • Observation of Te2O5 units connecting these helical chains.
  • Lone pairs of tellurium atoms directed into cavities within the framework.

Conclusions:

  • The novel compound InTe2O5F exhibits a unique three-dimensional framework structure.
  • The arrangement of indium octahedra and tellurium units dictates the material's structural characteristics.
  • The presence of lone pairs in specific cavities suggests potential for interesting electronic or chemical properties.