Dibromine trioxide
| Names | |
|---|---|
|  IUPAC name
 Dibromine trioxide  | |
|  Other names
 Bromine trioxide  | |
| Identifiers | |
|  53809-75-9  | |
| 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).  | |
|   | |
| Infobox references | |
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 bond angle 111.2° and the Br-O-BrO2 bond length is 1.85Å.[3]
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
 - 1 2 Henderson, K. M. Mackay; R. A. Mackay; W. (2002). Introduction to modern inorganic chemistry (6th ed.). Cheltenham: Nelson Thornes. ISBN 9780748764204.
 - 1 2 3 Wiberg, Egon (2001). Wiberg, Nils, ed. Inorganic chemistry (1st ed.). San Diego, Calif.: Academic Press. p. 464. ISBN 9780123526519.
 
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