Praseodymium(IV) oxide

Praseodymium dioxide
Names
	IUPAC name Praseodymium(IV) oxide
Identifiers
CAS Number	12036-05-4;
3D model (JSmol)	Interactive image;
ChemSpider	74758 ;
ECHA InfoCard	100.031.658
EC Number	234-838-5;
PubChem CID	82846;
CompTox Dashboard (EPA)	DTXSID0065191 ;
	InChI InChI=1S/2O.Pr Key: BOWRJOSABXTXBI-UHFFFAOYSA-N;
	SMILES O=[Pr]=O;
Properties
Chemical formula	PrO2
Molar mass	172.91
Appearance	Dark brownish crystal
Structure
Crystal structure	Fluorite structure
Space group	Fm3m (No. 225)
Lattice constant	a = 539.3 pm
Formula units (Z)	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.