Praseodymium(IV) oxide

Summary

Praseodymium(IV) oxide is an inorganic compound with chemical formula PrO2.

Praseodymium dioxide
CaF2 polyhedra.png
Names
IUPAC name
Praseodymium(IV) oxide
Identifiers
  • 12036-05-4
3D model (JSmol)
  • Interactive image
ChemSpider
  • 74758 checkY
ECHA InfoCard 100.031.658 Edit this at Wikidata
EC Number
  • 234-838-5
  • 82846
  • DTXSID0065191 Edit this at Wikidata
  • InChI=1S/2O.Pr
    Key: BOWRJOSABXTXBI-UHFFFAOYSA-N
  • O=[Pr]=O
Properties
PrO2
Molar mass 172.91
Appearance Dark brownish crystal[1]
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

ProductionEdit

Praseodymium(IV) oxide can be produced by boiling Pr6O11 in water or acetic acid:[1]

Pr6O11 + 3 H2O → 4 PrO2 + 2 Pr(OH)3

Chemical reactionsEdit

Praseodymium(IV) oxide starts to decompose at 320~360 °C, liberating oxygen.

ReferencesEdit

  1. ^ a b Chinese: 《无机化学丛书》.第七卷 钪 稀土元素. 科学出版社. 1.3.4 氧化态+4的化合物. P193~195