Praseodymium(IV) oxide
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IUPAC name
Praseodymium(IV) oxide
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Identifiers | |
3D model (JSmol)
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ChemSpider | |
ECHA InfoCard | 100.031.658 |
EC Number |
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PubChem CID
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CompTox Dashboard (EPA)
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Properties | |
PrO2 | |
Molar mass | 172.91 |
Appearance | Dark brownish crystal |
Structure | |
Fluorite structure | |
Fm3m (No. 225) | |
a = 539.3 pm
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Formula units (Z)
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4 |
Related compounds | |
Related compounds
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Praseodymium(III) oxide Praseodymium(III,IV) oxide |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
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Praseodymium(IV) oxide is an inorganic compound with chemical formula PrO2.
Production
Praseodymium(IV) oxide can be produced by boiling Pr6O11 in water or acetic acid:
- Pr6O11 + 3 H2O → 4 PrO2 + 2 Pr(OH)3
Chemical reactions
Praseodymium(IV) oxide starts to decompose at 320~360 °C, liberating oxygen.