From Wikipedia, the free encyclopedia
Thorium oxyfluoride
Names
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Other names
thorium difluoride oxide, thorium fluoride oxide, thorium(IV) difluorideoxide
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Identifiers
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ChemSpider
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EC Number
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InChI=1S/2FH.O.Th/h2*1H;;/q;;;+2/p-2 Key: KXAYMKGDXBMOAK-UHFFFAOYSA-L
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Properties
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ThOF 2
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Molar mass
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286.034 g/mol
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Appearance
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white powder
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insoluble
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Related compounds
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Related compounds
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Lanthanum oxyfluoride
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Except where otherwise noted, data are given for materials in their
standard state (at 25 °C [77 °F], 100 kPa).
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Chemical compound
Thorium oxyfluoride is an
inorganic compound of
thorium metal,
fluorine, and
oxygen with the chemical formula ThOF
2.
[1]
[2]
[3]
Synthesis
- Thorium oxyfluoride can be prepared from partial hydrolysis of
thorium tetrafluoride in moist air at elevated temperatures, about 1000 °C.
[4]
[5]
- ThF4 + H2O → ThOF2 + 2 HF
- ThF4 + ThO2 → 2 ThOF2
Physical properties
The compound forms white, insoluble amorphous powder.
[6]
Uses
The compound is used as a protective coating on reflective surfaces.
[7]
References
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^
"THORIUM OXYFLUORIDE". Alfa Chemistry. Retrieved 21 March 2023.
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^ Yemel'Yanov, V. S.; Yevstyukhin, A. I. (22 October 2013).
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. Retrieved 21 March 2023.
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^ Perry, Dale L. (19 April 2016).
Handbook of Inorganic Compounds.
CRC Press. p. 427.
ISBN
978-1-4398-1462-8. Retrieved 21 March 2023.
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^ Darnell, A. J. (1960).
The Free Energy, Heat, and Entropy of Formation of Thorium Oxyfluoride. Atomics International. p. 1. Retrieved 21 March 2023.
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^ Zachariasen, W. H. (1947).
Fluorides of Uranium and Thorium with Lanthanum Fluoride Type of Structure. Atomic Energy Commission. p. 1153. Retrieved 21 March 2023.
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^ Satya, Prakash (2013).
Advanced Chemistry of Rare Elements. S. Chand Publishing. p. 436.
ISBN
978-81-219-4254-6. Retrieved 21 March 2023.
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^ Lewis, Robert A. (1 April 2016).
Hawley's Condensed Chemical Dictionary.
John Wiley & Sons. p. 1339.
ISBN
978-1-119-26784-3. Retrieved 21 March 2023.
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PF6−, AsF6−, SbF6− compounds | |
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AlF6− compounds | |
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chlorides, bromides, iodides and pseudohalogenides | |
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SiF62-, GeF62- compounds | |
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Oxyfluorides | |
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Organofluorides | |
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with transition metal, lanthanide, actinide, ammonium | |
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nitric acids | |
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bifluorides | |
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thionyl, phosphoryl, and iodosyl | |
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