Dibromine trioxide

Dibromine trioxide is the chemical compound composed of bromine and oxygen with the formula Br2O3. It is an orange solid that is stable below 40 °C. It has the structure BrOBrO2 (bromine bromate).[2] The BrOBr bond is bent, with a bond angle of 111.2°, and the BrOBrO2 bond length is 1.85Å.[3]

Dibromine trioxide
Names
IUPAC name
Dibromine trioxide
Other names
Bromine trioxide
Bromine bromate
Identifiers
3D model (JSmol)
ChemSpider
  • InChI=1S/Br2O3/c1-5-2(3)4
    Key: XLGPPSYTBHJSNE-UHFFFAOYSA-N
  • BrO[Br](=O)=O
Properties
Br2O3
Molar mass 207.806 g/mol
Appearance orange needles
Melting point decomposes around 40°C[1]
Related compounds
Other anions
Bromine dioxide
Bromine trifluoride
Bromine pentafluoride
Other cations
Oxygen difluoride
Dichlorine monoxide
Chlorine dioxide
Iodine dioxide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Reactions

Dibromine trioxide can be prepared by reacting a solution of bromine in dichloromethane with ozone at low temperatures.[2][3] It disproportionates in alkali solutions to Br
and BrO
3
.[3]

References

  1. Perry, Dale L.; Phillips, Sidney L. (1995), Handbook of Inorganic Compounds, CRC Press, p. 255, ISBN 0-8493-8671-3, retrieved 2015-08-25
  2. Henderson, K. M. Mackay; R. A. Mackay; W. (2002). Introduction to modern inorganic chemistry (6th ed.). Cheltenham: Nelson Thornes. ISBN 9780748764204.{{cite book}}: CS1 maint: multiple names: authors list (link)
  3. Wiberg, Egon (2001). Wiberg, Nils (ed.). Inorganic chemistry (1st ed.). San Diego, Calif.: Academic Press. p. 464. ISBN 9780123526519.


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