Contents

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[1]
Appearance	pink solid[1]
Melting point	1338 °C[1]
Structure
Crystal structure	Rhombohedral, hR24
Space group	P3c1, No. 165[2]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Chemical compound

Promethium(III) fluorideorpromethium 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:^[3]

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

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