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 Br−O−BrO2 (bromine bromate).[2] The Br−O−Br bond is bent, with a bond angle of 111.2°, and the Br−O−BrO2 bond length is 1.85Å.[3]
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| Names | |
|---|---|
| IUPAC name
Dibromine trioxide | |
| Other names
Bromine trioxide | |
| Identifiers | |
3D model (JSmol) |
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| 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
- Perry, Dale L.; Phillips, Sidney L. (1995), Handbook of Inorganic Compounds, CRC Press, p. 255, ISBN 0-8493-8671-3, retrieved 2015-08-25
- Henderson, K. M. Mackay; R. A. Mackay; W. (2002). Introduction to modern inorganic chemistry (6th ed.). Cheltenham: Nelson Thornes. ISBN 9780748764204.
- Wiberg, Egon (2001). Wiberg, Nils (ed.). Inorganic chemistry (1st ed.). San Diego, Calif.: Academic Press. p. 464. ISBN 9780123526519.
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