Actinium oxyfluoride

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Actinium oxyfluoride
Identifiers
CAS Number	49848-24-0^N
3D model (JSmol)	Interactive image
InChI InChI=1S/Ac.FH.O/h;1H;/q+3;;-2/p-1 Key: LHOIFNAUSIZYHZ-UHFFFAOYSA-M
SMILES [Ac+3].[F-].[O-2]
Properties
Chemical formula	AcOF
Molar mass	262.03 g·mol⁻¹
Appearance	solid
Density	8.280 g·cm⁻¹^[1]
Structure^[2]
Crystal structure	cubic
Lattice constant	a = 0.5931 nm
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Actinium oxyfluoride is an inorganic compound, with the chemical formula AcOF. It is radioactive. It crystallises in a calcium fluoride structure.^[3] It can be obtained by reacting actinium fluoride with ammonia and water:^[4]

AcF₃ + 2 NH₃ + H₂O → AcOF + 2 NH₄F^[α]

The reaction proceeds completely at 1200 °C, and unreacted AcF₃ will remain at lower temperatures.^[5]

Notes

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^ Ammonium fluoride decomposes into NH₃ and HF at high temperature and recombines at low temperature

References

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^ Yaws, C. (2015). The Yaws Handbook of Physical Properties for Hydrocarbons and Chemicals: Physical Properties for More Than 54,000 Organic and Inorganic Chemical Compounds, Coverage for C1 to C100 Organics and Ac to Zr Inorganics. Elsevier Science. p. 685. ISBN 978-0-12-801146-1. Archived from the original on 2022-02-02. Retrieved 2022-02-01.
^ Perry, D.L. (2016). Handbook of Inorganic Compounds. CRC Press. p. 527. ISBN 978-1-4398-1462-8. Archived from the original on 2022-02-02. Retrieved 2022-02-01.
^ 无机化学丛书第十卷锕系锕系后元素. 科学出版社. pp 92-93. 5. 卤氧化物
^ Sherman Fried, French Hagemann, W. H. Zachariasen (Feb 1950). "The Preparation and Identification of Some Pure Actinium Compounds 1". Journal of the American Chemical Society. 72 (2): 771–775. doi:10.1021/ja01158a034. ISSN 0002-7863. Archived from the original on 2022-01-23. Retrieved 2022-02-01.{{cite journal}}: CS1 maint: multiple names: authors list (link)
^ W. H. Zachariasen (1951-05-01). "Crystal chemical studies of the 5 f -series of elements. XIV. Oxyfluorides, X OF". Acta Crystallographica. 4 (3): 231–236. Bibcode:1951AcCry...4..231Z. doi:10.1107/S0365110X51000787. ISSN 0365-110X. Archived from the original on 2022-06-18. Retrieved 2022-02-01.

v t e Actinium compounds
AcF₃ AcCl₃ AcBr₃ AcI₃ Ac₂O₃ Ac₂S₃ Ac(NO₃)₃ AcPO₄ AcOF AcOBr AcOCl Ac(OH)₃

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