| Names | |
|---|---|
| IUPAC name Promethium(III) bromide | |
| Identifiers | |
3D model (JSmol) | |
| ChemSpider | |
| |
| |
| Properties | |
| PmBr3 | |
| Molar mass | 385 |
| Appearance | Red solid[1] |
| Melting point | 624[1] |
| Related compounds | |
Otheranions | Promethium(III) fluoride Promethium(III) chloride Promethium(III) iodide |
Othercations | Neodymium(III) bromide Samarium(III) bromide |
Except where otherwise noted, data are given for materials in theirstandard state (at 25 °C [77 °F], 100 kPa). | |
Promethium(III) bromide is aninorganic compound, with thechemical formula of PmBr3. It is radioactive salt. It is a crystal of thehexagonal crystal system, with thespace group of P63/mc (No. 176).
Promethium(III) bromide can be obtained by reactinghydrogen bromide andpromethium(III) oxide:[2]
Promethium(III) bromide hydrate cannot be heated to form its anhydrous form. Instead it decomposes in water to form promethium oxybromide:[3]