Promethium(III) oxide

Promethium(III) oxide
Powdered promethium oxide in a metal tray
Cubic form
Hexagonal form
Names
IUPAC name
Promethium(III) oxide
Other names
Promethium sesquioxide
Identifiers
3D model (JSmol)
  • InChI=1S/3O.2Pm/q3*-2;2*+3
    Key: UPEMFLOMQVFMCZ-UHFFFAOYSA-N
  • [O-2].[O-2].[O-2].[Pm+3].[Pm+3]
Properties
Pm2O3
Molar mass 337.824 g/mol
Melting point ~2320 °C
Structure
Cubic
Related compounds
Other anions
 Promethium(III) chloride
Other cations
 Neodymium(III) oxide, Samarium(III) oxide, Neptunium(III) oxide
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

Promethium(III) oxide is a compound with the formula Pm2O3. It is the most common form of promethium.

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