Radium fluoride

Ra2+ 0 F−

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

| RaF

Molar mass | 263.8214 g/mol[1]
Appearance  | White cubic crystals[1]
Density | 6.7 g/cm3[1]
Hazards
Main hazards | Highly radioactive and toxic
GHS pictograms |

GHS hazard statements

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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Infobox references

Radium fluoride is an inorganic compound with a chemical formula of RaF
2. This salt, like all radium compounds is highly radioactive. It can be coprecipitated with lanthanide fluorides.[2] Radium fluoride has the same crystal form as calcium fluoride (fluorite).[3]

## Production

Radium fluoride can be produced by the reaction of radium metal and hydrogen fluoride gas:[3]

Ra + 2 HF → RaF
2 \+ H

## References

1. ↑ 1.0 1.1 1.2 "Radium fluoride | 20610-49-5". https://m.chemicalbook.com/ChemicalProductProperty_EN_CB94652905.htm.
2. ↑ , Otto"Radium preparation and process of making same" US patent 1655184, published 1928-01-03
3. ↑ 3.0 3.1 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". The Journal of Physical Chemistry A 122 (1): 316–327. doi:10.1021/acs.jpca.7b09056. ISSN 1089-5639. PMID 29240428. http://eprints.whiterose.ac.uk/125333/1/alkali-dixon-accepted.pdf.

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Salts and covalent derivatives of the fluoride ion

HF |  |  |  | He

|
|
|
|

LiF | BeF2 | BF
BF3
B2F4 | CF4
other compounds | NF3
FN3
N2F2
N2F4
NF5§  | F2O
F2O2
other compounds | F2 | Ne
NaF | MgF2 | AlF
AlF3 | SiF4 | P2F4
PF3
PF5 | S2F2
SF2
SF4
SF6 | ClF
ClF3
ClF5 | Ar
KF | CaF
CaF2 | ScF3 | TiF2
TiF3
TiF4 | VF2
VF3
VF4
VF5 | CrF2
CrF3
CrF4
CrF5
CrF6§  | MnF2 | FeF2
FeF3 | CoF2
CoF3 | NiF2 | CuF
CuF2 | ZnF2 | GaF2
GaF3 | GeF2
GeF4 | AsF3
AsF5 | Se2F2
SeF4
SeF6 | BrF
BrF3
BrF5 | KrF2
RbF | SrF
SrF2 | YF3 | ZrF3
ZrF4 | NbF4
NbF5 | MoF2
MoF3
MoF4
MoF5
MoF6 | TcF4
TcF6 | RuF3
RuF5
RuF6 | RhF3
RhF5
RhF6 | PdF2 | AgF | CdF2 | InF
InF2
InF3 | SnF2
SnF4 | SbF3
SbF5 | Te3F2
TeF4
TeF6 | IF
IF3</br>IF5</br>IF7 | XeF2
XeF4
XeF6
CsF | BaF2 |  | HfF4 | TaF5 | WF2
WF3
WF4
WF5
WF6 | Re3F9
ReF4
ReF5
ReF6
ReF7 | OsF4
OsF5
OsF6 | IrF2
IrF3
IrF4
IrF5
IrF6 | PtF2
PtF4
PtF5
PtF6 | AuF
AuF3
Au2F10
AuF5•F2 | Hg2F2
HgF2
HgF4 | TlF | PbF2
PbF4 | BiF3
BiF5 | PoF2
PoF4
PoF6 | AtF  | RnF2
FrF | RaF2 |  | Rf  | Db  | Sg  | Bh  | Hs  | Mt  | Ds  | Rg  | Cn  | Nh  | Fl  | Mc  | Lv  | Ts  | Og
| ↓  |  |
LaF3 | CeF3
CeF4 | PrF3 | NdF2,
NdF3 | PmF3 | SmF2,
SmF3 | EuF2,
EuF3 | GdF3 | TbF3 | DyF2,
DyF3 | HoF3 | ErF3 | TmF2
TmF3 | YbF2
YbF3 | LuF3
AcF3 | ThF4 | PaF5 | UF3
UF4
UF5
UF6 | NpF4
NpF6 | PuF3
PuF6 | AmF2
AmF3 | CmF3 | BkF3 | CfF3 | EsF3 | Fm  | Md  | No  | LrF3

§ means the substance has not been made.

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