Promethium(III) fluoride

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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 ...
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 , 100 kPa). Infobox references

Chemical compound

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:^[3]

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

References

1. ^ ^{a b c} Haynes, William M., ed. (2011). CRC Handbook of Chemistry and Physics (92nd ed.). Boca Raton, Florida: CRC Press. p. 4.84. ISBN 1-4398-5511-0.
2. ^ Zachariasen, W. H. (1949). "Crystal chemical studies of the 5f-series of elements. XII. New compounds representing known structure types". Acta Crystallographica. 2 (6): 388–390. doi:10.1107/S0365110X49001016.
3. ^ Weigel, F. (1963). "Darstellung von metallischem Promethium". Angewandte Chemie. 75 (10): 451. Bibcode:1963AngCh..75..451W. doi:10.1002/ange.19630751009.

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