Praseodymium oxychloride

Praseodymium oxychloride
Names
	Other names Praseodymium oxide chloride
Identifiers
3D model (JSmol)	Interactive image;
	InChI InChI=1S/ClH.O.Pr/h1H;;/q;-2;+3/p-1 Key: ANBUEPQBDKGLJP-UHFFFAOYSA-M;
	SMILES [Cl-].[O-2].[Pr+3];
Properties
Chemical formula	PrOCl
Molar mass	192.36 g/mol
Appearance	crystals
Structure
Crystal structure	Tetragonal
Space group	P4/nmm
Related compounds
Related compounds	Lanthanum oxychloride; Neodymium oxychloride; Holmium oxychloride;
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Praseodymium oxychloride or praseodymium oxide chloride is an inorganic compound of praseodymium, oxygen, and chlorine with the chemical formula PrOCl.

Synthesis

PrOCl can be synthesized by reacting praseodymium oxides (Pr₂O₃ or Pr₆O₁₁) with chlorine gas (Cl₂).^[1]

Physical properties

The compound forms crystals of tetragonal system, space group P4/nmm.^[2]^[3]

References

^ Pomiro, Federico J.; Gaviría, Juan P.; Fouga, Gastón G.; Vega, Leonardo D.; Bohé, Ana E. (5 March 2019). "Chlorination of Pr2O3 and Pr6O11. Crystal structure, magnetic and spectroscopic properties of praseodymium oxychloride". Journal of Alloys and Compounds. 776: 919–926. doi:10.1016/j.jallcom.2018.10.329. ISSN 0925-8388. Retrieved 4 July 2025.
^ Donnay, Joseph Désiré Hubert (1963). Crystal Data; Determinative Tables. American Crystallographic Association. p. 603. Retrieved 4 July 2025.
^ National Bureau of Standards Circular. National Bureau of Standards. 1960. p. 47. Retrieved 5 July 2025.

[1] Pomiro, Federico J.; Gaviría, Juan P.; Fouga, Gastón G.; Vega, Leonardo D.; Bohé, Ana E. (5 March 2019). "Chlorination of Pr2O3 and Pr6O11. Crystal structure, magnetic and spectroscopic properties of praseodymium oxychloride". Journal of Alloys and Compounds. 776: 919–926. doi:10.1016/j.jallcom.2018.10.329. ISSN 0925-8388. Retrieved 4 July 2025.

[2] Donnay, Joseph Désiré Hubert (1963). Crystal Data; Determinative Tables. American Crystallographic Association. p. 603. Retrieved 4 July 2025.

[3] National Bureau of Standards Circular. National Bureau of Standards. 1960. p. 47. Retrieved 5 July 2025.

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