Praseodymium(IV) oxide

Praseodymium dioxide
Names
IUPAC name
Praseodymium(IV) oxide
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.031.658 Edit this at Wikidata
EC Number
  • 234-838-5
  • InChI=1S/2O.Pr
    Key: BOWRJOSABXTXBI-UHFFFAOYSA-N
  • O=[Pr]=O
Properties
PrO2
Molar mass 172.91
Appearance Dark brownish crystal
Structure
Fluorite structure
Fm3m (No. 225)
a = 539.3 pm
4
Related compounds
Related compounds
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

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.


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