Radon difluoride

Names
IUPAC name

Radon difluoride

Other names

Radon(II) fluoride

Identifiers

CAS Number

* 18976-85-7 N

3D model (JSmol)

* Interactive image

ChemSpider |

* 95685049

InChI

* InChI=1S/F2Rn/c1-3-2 N

Key: UEHKUMAZJPZVMJ-UHFFFAOYSA-N N

SMILES

* F[Rn]F

Properties

Chemical formula

| RnF2

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

N verify (what is YN ?)
Infobox references

Radon difluoride (RnF2) is a compound of radon, a radioactive noble gas. Radon reacts readily with fluorine to form a solid compound, but this decomposes on attempted vaporization and its exact composition is uncertain.[1][2] Calculations suggest that it may be ionic,[3] unlike all other known binary noble gas compounds. The usefulness of radon compounds is limited because of the radioactivity of radon. The longest-lived isotope, radon-222, has a half-life of only 3.82 days, which decays by α-emission to yield polonium-218.[4]

## Preparation

When radon is heated to 400 °C with fluorine, radon difluoride is formed.[1]

## Reactions

Radon difluoride can be reduced to radon and hydrogen fluoride when heated with hydrogen gas at 500 °C.[1]

## References

1. ↑ 1.0 1.1 1.2 Fields, Paul R.; Stein, Lawrence; Zirin, Moshe H. (1962). "Radon Fluoride". Journal of the American Chemical Society 84 (21): 4164–4165. doi:10.1021/ja00880a048.
2. ↑ Stein, Lawrence (1970). "Ionic Radon Solution". Science 168 (3929): 362–4. doi:10.1126/science.168.3929.362. PMID 17809133. Bibcode: 1970Sci...168..362S.
3. ↑ Pitzer, Kenneth S. (1975). "Fluorides of radon and element 118". J. Chem. Soc., Chem. Commun. (18): 760b–761. doi:10.1039/C3975000760b. https://escholarship.org/uc/item/8xz4g1ff.
4. ↑ Stein, Lawrence (1987). "Chemical Properties of Radon". Radon and its Decay Products. ACS Symposium Series. 331. pp. 240–251. doi:10.1021/bk-1987-0331.ch018. ISBN 978-0-8412-1015-8. https://digital.library.unt.edu/ark:/67531/metadc1096539/.

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Fluorine compounds

| HF |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | He

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LiF | BeF2 |  |  |  |  |  |  |  |  |  |  | BF3
B2F4 | CF4 | NF3 | OF2 | F− | Ne
NaF | MgF2 |  |  |  |  |  |  |  |  |  |  | AlF3 | SiF4 | PF3
PF5 | SF2
SF4
SF6 | ClF
ClF3
ClF5 | Ar
KF | CaF2 | ScF3 | TiF3
TiF4 | VF3
VF4
VF5 | CrF2
CrF3
CrF4
CrF5 | MnF2
MnF3 | FeF2
FeF3 | CoF2
CoF3 | NiF2 | CuF
CuF2 | ZnF2 | GaF3 | GeF4 | AsF3
AsF5 | SeF4
SeF6 | BrF3
BrF5 | KrF2
RbF | SrF2 | YF3 | ZrF4 | NbF4
NbF5 | MoF5
MoF6 | TcF6 | RuF3
RuF4
RuF5
RuF6 | RhF6 | PdF2 | AgF
AgF2
Ag2F | CdF2 | InF3 | SnF2
SnF4 | SbF3
SbF5 | TeF4 | IF
IF3
IF5
IF7 | XeF2
XeF4
XeF6
CsF | BaF2 | *  | HfF4 | TaF5 | WF4
WF6 | ReF4
ReF5
ReF6
ReF7 | OsF4
OsF5
OsF6 | IrF3
IrF5
IrF6 | PtF4
PtF6 | AuF3
Au2F10
AuF5·F2
| HgF2
Hg2F2 | TlF
TlF3 | PbF2
PbF4 | BiF3
BiF5 | Po | At | RnF2
Fr | Ra | **  | Rf | Db | Sg | Bh | Hs | Mt | Ds | Rg | Cn | Nh | Fl | Mc | Lv | Ts | Og
|  | ↓ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| * | LaF3 | CeF3 | Pr | NdF3 | PmF3 | SmF3
| Eu | Gd | Tb | DyF3 | Ho | Er | Tm | YbF3
| Lu |
| ** | AcF3 | ThF4 | Pa | UF3
UF4
UF5
UF6 | NpF3
NpF4
NpF5
NpF6
| PuF3
PuF4
PuF5
PuF6 | AmF3
AmF4 | CmF3 | Bk | Cf | Es | Fm | Md | No | Lr |

Other|

* AgBF4
* AgPF6
* Cs2AlF5
* K3AlF6
* Na3AlF6
* KAsF6
* LiAsF6
* NaAsF6
* HBF4
* KBF4
* LiBF4
* NaBF4
* RbBF4
* Ba(BF4)2
* Ni(BF4)2
* Pb(BF4)2
* Sn(BF4)2
* BaClF
* BaSiF6
* BaGeF6
* BrOF3
* BrO2F
* CBrF3
* CBr2F2
* CBr3F
* CClF3
* CCl2F2
* CCl3F
* CFN
* CF2O
* CF3I
* CHF3
* CH2F2
* CH3F
* C2Cl3F3
* C2H3F
* C6H5F
* C7H5F3
* C15F33N
* ClFO2
* CrFO4
* CrF2O2
* CsBF4
* NH4F
* FNO
* FNO2
* FNO3
* KHF2
* NaHF2
* ThOF2
* NH5F2
* (NH4)2SiF6
* F2OS
* F3OP
* PSF3
* HPF6
* HSbF6
* NH4PF6
* KPF6
* KSbF6
* LiPF6
* NaPF6
* NaSbF6
* Na2SiF6
* Na2TiF6
* Na2ZrF6
* TlPF6
* IOF3
* K2NbF7
* K2TaF7
* IO3F
* UO2F2

Chemical formulas

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Noble gas compounds

Helium compounds|

* helium compounds
* HeH+
* LiHe
* Na2He
* He2
* He3

Neon compounds|

* neon compounds

Argon compounds|

* argon compounds
* ArH+
* HArF
* MgAr+
* ArCF22+

Krypton compounds|

* KrF2
* HKrCN
* HKrC2H
* Kr(OTeF5)2
* HCNKrF2

Xenon compounds|

| Xe(0)|

* AuXe4(Sb2F11)2

|

Xe(I)|

* XePtF6
* XeRhF6

Xe(II)|

* XeF2
* XeFPtF5
* XeFPt2F11
* Xe2F3PtF6
* XeCl2
* Organoxenon(II) compounds

Xe(IV)|

* XeO2
* XeF4
* XeOF2
* N(CH3)4XeF5
* Organoxenon(IV) compounds

Xe(VI)|

* XeO3
* XeF6
* XeOF4
* H2XeO4
* (NO)2XeF8

Xe(VIII)|

* XeO4
* H4XeO6

Radon compounds|

| Rn(II)|

* RnF2
* RnFSb2F11

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Rn(VI)|

* RnO3

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