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]
| Identifiers | |
|---|---|
3D model (JSmol)
|
|
| |
| |
| 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).
| |
- 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
edit- ^ Ammonium fluoride decomposes into NH3 and HF at high temperature and recombines at low temperature
References
edit- ^ 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.