Promethium(III) fluoride

Promethium(III) fluoride
	Crystal structure
Names
	IUPAC name Promethium(III) fluoride
	Other names Promethium trifluoride
Identifiers
CAS Number	13709-45-0;
3D model (JSmol)	Interactive image;
PubChem CID	129681501;
	InChI InChI=1S/3FH.Pm/h3*1H;/q;;;+3/p-3 Key: GBTXURQYFJSURZ-UHFFFAOYSA-K;
	SMILES [F-].[F-].[F-].[Pm+3];
Properties
Chemical formula	PmF3
Molar mass	202 g/mol
Appearance	pink solid
Melting point	1338 °C
Structure
Crystal structure	Rhombohedral, hR24
Space group	P3c1, No. 165
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Promethium(III) fluoride or promethium trifluoride is a salt of promethium and fluorine with the formula PmF₃.

Promethium(III) fluoride is sparingly soluble in water. It reacts with metallic lithium to yield lithium fluoride and metallic promethium:

\mathrm {PmF_{3}\ +\ 3\ Li\ \longrightarrow \ Pm\ +\ 3\ LiF}