Thorium oxyfluoride

Thorium oxyfluoride  Names

Other names

* Thorium difluoride oxide
* Thorium fluoride oxide
* Thorium(IV) difluorideoxide

Identifiers

CAS Number

* 13597-30-3 Y

3D model (JSmol)

* Interactive image

ChemSpider |

* 21428670

EC Number |

* 237-045-2

PubChem CID

* 25022211

InChI

* InChI=1S/2FH.O.Th/h2*1H;;/q;;;+2/p-2

Key: KXAYMKGDXBMOAK-UHFFFAOYSA-L

SMILES

* [Th](F)(F)=O

Properties

Chemical formula

| ThOF2
Molar mass | 286.034 g/mol
Appearance  | white powder

Solubility in water

| insoluble
Related compounds

Related compounds

| Lanthanum oxyfluoride

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

Infobox references

Tracking categories (test):

* SizeSet

Thorium oxyfluoride is an inorganic compound of thorium metal, fluorine, and oxygen with the chemical formula ThOF2.[1][2][3]

## Contents

* 1 Synthesis
* 2 Physical properties
* 3 Uses
* 4 References

## Synthesis

* Thorium oxyfluoride can be prepared from partial hydrolysis of thorium tetrafluoride in moist air at elevated temperatures, about 1000 °C.[4][5]

ThF
4 \+ H
2O → ThOF
2 \+ 2 HF

* Reaction of thorium tetrafluoride with thorium dioxide at 600 °C:

ThF
4 \+ ThO
2 → 2 ThOF

## Physical properties

The compound forms a white, insoluble amorphous powder.[6]

## Uses

The compound is used as a protective coating on reflective surfaces.[7]

## References

1. ↑ "THORIUM OXYFLUORIDE". Alfa Chemistry. https://www.alfa-chemistry.com/cas_13597-30-3.htm.
2. ↑ Yemel'Yanov, V. S.; Yevstyukhin, A. I. (22 October 2013) (in en). The Metallurgy of Nuclear Fuel: Properties and Principles of the Technology of Uranium, Thorium and Plutonium. Elsevier. p. 369. ISBN 978-1-4831-8602-3. https://books.google.com/books?id=ATz-BAAAQBAJ&dq=Thorium+oxyfluoride&pg=PA369. Retrieved 21 March 2023.
3. ↑ Perry, Dale L. (19 April 2016) (in en). Handbook of Inorganic Compounds. CRC Press. p. 427. ISBN 978-1-4398-1462-8. https://books.google.com/books?id=SFD30BvPBhoC&dq=Thorium+oxyfluoride&pg=PA427. Retrieved 21 March 2023.
4. ↑ Darnell, A. J. (1960) (in en). The Free Energy, Heat, and Entropy of Formation of Thorium Oxyfluoride. Atomics International. p. 1. https://books.google.com/books?id=qoj04HW3Xx4C&dq=Thorium+oxyfluoride&pg=PA1. Retrieved 21 March 2023.
5. ↑ Zachariasen, W. H. (1947) (in en). Fluorides of Uranium and Thorium with Lanthanum Fluoride Type of Structure. Atomic Energy Commission. p. 1153. https://books.google.com/books?id=A1NFX-KmnYYC&dq=Thorium+oxyfluoride&pg=PA4. Retrieved 21 March 2023.
6. ↑ Satya, Prakash (2013) (in en). Advanced Chemistry of Rare Elements. S. Chand Publishing. p. 436. ISBN 978-81-219-4254-6. https://books.google.com/books?id=WB_4DwAAQBAJ&dq=Thorium+oxyfluoride&pg=PA436. Retrieved 21 March 2023.
7. ↑ Lewis, Robert A. (1 April 2016) (in en). Hawley's Condensed Chemical Dictionary. John Wiley & Sons. p. 1339. ISBN 978-1-119-26784-3. https://books.google.com/books?id=KPrfCwAAQBAJ&dq=Thorium+oxyfluoride&pg=PA1339. Retrieved 21 March 2023.

* v
* t
* e

Thorium compounds

Th(II)|

* ThO

Th(IV)|

* ThO2
* Th(OH)4
* ThC
* ThCl4
* ThF4
* ThI4
* ThSiO4
* Th(C2O4)2
* ThS2
* Th(NO3)4
* Th(C8H8)2

* v
* t
* e

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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