Actinium oxyfluoride

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Actinium oxyfluoride
Identifiers
3D model (JSmol)
  • InChI=1S/Ac.FH.O/h;1H;/q+3;;-2/p-1
    Key: LHOIFNAUSIZYHZ-UHFFFAOYSA-M
  • [Ac+3].[F-].[O-2]
Properties
AcOF
Molar mass 262.03 g·mol−1
Appearance solid
Density 8.280 g·cm−1[1]
Structure[2]
cubic
a = 0.5931 nm
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

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

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

References

  1. ^ 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.
  2. ^ 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.
  3. ^ 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
  4. ^ 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)
  5. ^ 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.
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