Dibromine trioxide
| Names | |
|---|---|
| IUPAC name Dibromine trioxide | |
| Other names Bromine trioxide Bromine bromate | |
| Identifiers | |
| 3D model (JSmol) | |
| ChemSpider | |
| PubChem CID | |
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| Properties | |
| Br2O3 | |
| Molar mass | 207.806 g/mol | 
| Appearance | orange needles | 
| Melting point | decomposes around −40°C | 
| Structure | |
| monoclinic | |
| P21/c | |
| a = 1186.6 pm, b = 762.9 pm, c = 869.3 pm α = 90°, β = 106.4°, γ = 90° | |
| 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).  (what is  ?)
 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). It was discovered in 1993. The bond angle of Br−O−Br is 111.7°, the bond angle of O−Br=O is 103.1°, and the bond angle of O=Br=O is 107.6°. The Br−OBrO2 bond length is 1.845 Å, the O−BrO2 bond length is 1.855 Å and the Br=O bond length is 1.612 Å.