Praseodymium oxybromide

Praseodymium oxybromide

Names
Other names Praseodymium oxide bromide Praseodymium(III) oxybomide
Identifiers
3D model (JSmol)	Interactive image
InChI InChI=1S/BrH.O.Pr/h1H;;/q;-2;+3/p-1 Key: ATLDIDCKQNMBFR-UHFFFAOYSA-M
SMILES [Br-].[O-2].[Pr+3]
Properties
Chemical formula	BrOPr
Molar mass	236.811 g·mol^−1
Appearance	crystals
Density	6.3 g/cm^3
Structure
Crystal structure	tetragonal
Space group	P4/nmm
Related compounds
Related compounds	Berkelium(III) oxybromide Californium(III) oxybromide Plutonium oxybromide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Praseodymium oxybromide or praseodymium oxide bromide is an inorganic compound of praseodymium, oxygen, and bromine with the chemical formula PrOBr.^[1]

Synthesis

PrOBr can be synthesized by decomposing praseodymium(III) bromide crystallohydrate by heating:

PrBr₃·xH₂O → PrOBr + 2HBr + (x–1)H₂O

Physical properties

The compound forms white crystals of the tetragonal system, matlockite-type PbFCl, space group P4/nmm.^[2]

References

1. Talmon-Gros, P.; Schurz, C. M.; Schleid, T. (1 December 2011). "The matlockite-type praseodymium(III) oxide bromide PrOBr". Acta Crystallographica Section E: Structure Reports Online. 67 (12): i74. doi:10.1107/S1600536811048227. ISSN 1600-5368. PMC 3238581. PMID 22199472. Retrieved 14 July 2025.
2. Donnay, Joseph Désiré Hubert (1973). Crystal Data: Inorganic compounds. National Bureau of Standards. p. 128. Retrieved 14 July 2025.