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| Names | |
|---|---|
| IUPAC name Dibromine pentoxide | |
| Other names Bromine pentoxide | |
| Identifiers | |
3D model (JSmol) | |
| ChemSpider | |
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| Properties | |
| Br2O5 | |
| Molar mass | 239.805 g/mol |
| Appearance | colorless solid |
| Melting point | decomposes around −20°C[1] |
| Related compounds | |
Otheranions | Bromine dioxide Bromine trifluoride Bromine pentafluoride |
Othercations | Oxygen difluoride Dichlorine monoxide Chlorine dioxide Iodine dioxide |
Except where otherwise noted, data are given for materials in theirstandard state (at 25 °C [77 °F], 100 kPa). | |
Dibromine pentoxide is thechemical compound composed ofbromine andoxygen with theformula Br2O5. It is a colorless solid that is stable below −20 °C. It has the structure O2Br−O−BrO2, the Br−O−Br bond is bent with bond angle 121.2°. Each BrO3 group is pyramidal with the bromine atom at the apex.[2]
Dibromine pentoxide can be prepared by reacting a solution of bromine indichloromethane withozone at low temperatures and recrystallized frompropionitrile.[1][2]
