Tetraiodine nonoxide
Identifiers
3D model (JSmol)
  • InChI=1S/I4O9/c5-1(6)11-4(12-2(7)8)13-3(9)10
    Key: IQQBBNVVZPXURM-UHFFFAOYSA-N
  • O=I(=O)OI(OI(=O)=O)OI(=O)=O
Properties
I4O9
Molar mass 651.609 g·mol−1
Appearance light yellow solid[1]
Melting point 75 °C (decomposes)[1]
reacts
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Tetraiodine nonoxide is an iodine oxide with the chemical formula I4O9.

Preparation

Tetraiodine nonoxide can be produced by reacting ozone and iodine in carbon tetrachloride at −78 °C:[2][3]

It can also be produced by heating iodic acid and phosphoric acid together:[4]

Properties

Tetraiodine nonoxide is a light yellow solid that can easily hydrolyze. It decomposes above 75 °C:[2]

Like diiodine tetroxide, tetraiodine nonoxide contains both I(III) and I(V), and disproportionate to iodate and iodide under alkaline conditions:[2]

.

It reacts with water to form iodic acid and iodine:[3]

References

  1. 1 2 Perry, Dale L. (2011). Handbook of Inorganic Compounds. Boca Raton, FL. p. 500. ISBN 978-1-4398-1462-8. OCLC 759865801.{{cite book}}: CS1 maint: location missing publisher (link)
  2. 1 2 3 Holleman, A. F.; Nils, Wiberg; Wiberg, Egon (2019). Lehrbuch der anorganischen Chemie (in German). Berlin. p. 443. ISBN 978-3-11-083817-6. OCLC 1102802853.{{cite book}}: CS1 maint: location missing publisher (link)
  3. 1 2 Garg, Ragni; Singh, Randhir (2015). Inorganic Chemistry. New Delhi: McGraw-Hill Education. ISBN 978-1-259-06285-8. OCLC 965462199.
  4. ↑ Brauer, Georg (1963). Handbook of Preparative Inorganic Chemistry V1. Burlington: Elsevier Science. p. 331. ISBN 978-0-323-16127-5. OCLC 843200092.
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