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Antimony triiodide

Antimony triiodide

insoluble in CHCl3, CCl4 | NFPA-H = | NFPA-F = | NFPA-R = | NFPA-S = Antimony trichloride Antimony tribromide Phosphorus triiodide Arsenic triiodide Bismuth iodide

Antimony triiodide
Antimony triiodide crystalline
Antimony triiodide
Antimony triiodide milled

Antimony triiodide is the chemical compound with the formula SbI3. This ruby-red solid is the only characterized "binary" iodide of antimony, i.e. the sole compound isolated with the formula SbxIy. It contains antimony in its +3 oxidation state. Like many iodides of the heavier main group elements, its structure depends on the phase. Gaseous SbI3 is a molecular, pyramidal species as anticipated by VSEPR theory. In the solid state, however, the Sb center is surrounded by an octahedron of six iodide ligands, three of which are closer and three more distant.{{cite journal

Production

It may be formed by the reaction of antimony with elemental iodine, or the reaction of antimony trioxide with hydroiodic acid.

Alternatively, it may be prepared by the interaction of antimony and iodine in boiling benzene or tetrachloroethane.

Uses

SbI3 has been used as a dopant in the preparation of thermoelectric materials.

References

References

  1. "Antimony triiodide".
  2. (1952). "Solubilities of Inorganic and Organic Compounds". Van Nostrand.
  3. {{Sigma-Aldrich
  4. {{PGCH. 0036
  5. Holleman, A. F.; Wiberg, E. "Inorganic Chemistry" Academic Press: San Diego, 2001. {{ISBN. 0-12-352651-5.
  6. (2000). "CsBi4Te6: A High-Performance Thermoelectric Material for Low-Temperature Applications". Science.
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iodides metal-halides antimony(iii)-compounds
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