Radium fluoride

Radium fluoride is an inorganic compound with a chemical formula of RaF₂. This salt, like all radium compounds is highly radioactive. It can be coprecipitated with lanthanide fluorides.^[1] Radium fluoride has the same crystal form as calcium fluoride (fluorite).^[2]

Radium fluoride

Identifiers
CAS Number	20610-49-5^Y
3D model (JSmol)	Interactive image
InChI InChI=1S/2FH.Ra/h2*1H;/q;;+2/p-2 Key: FSYYCDYDQQAUCW-UHFFFAOYSA-L
SMILES F[Ra]F
Properties
Chemical formula	RaF2
Molar mass	263.821
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Production

Radium fluoride can be produced by the reaction of radium metal and hydrogen fluoride gas:^[2]

Ra + 2 HF → RaF₂ + H₂

References

1. US 1655184, Hahn, Otto, "Radium preparation and process of making same", published 1928-01-03 
2. R.C. Ropp. Encyclopedia of the Alkaline Earth Compounds. Elsevier B.V., 2013. pp 68-69. ISBN 978-0-444-59550-8

See also

• Monica Vasiliu, J. Grant Hill, Kirk A. Peterson, David A. Dixon (2018-01-11). "Structures and Heats of Formation of Simple Alkaline Earth Metal Compounds II: Fluorides, Chlorides, Oxides, and Hydroxides for Ba, Sr, and Ra" (PDF). The Journal of Physical Chemistry A. 122 (1): 316–327. doi:10.1021/acs.jpca.7b09056. ISSN 1089-5639. PMID 29240428.{{cite journal}}: CS1 maint: multiple names: authors list (link)