Actinium oxychloride

Actinium oxychloride

Names
Other names Actinium oxide chloride Actinium(III) oxychloride
Identifiers
CAS Number	49848-29-5  Y
3D model (JSmol)	Interactive image
InChI InChI=1S/Ac.ClH.O/h;1H;/q+3;;-2/p-1 Key: QDGBHMLRDYAEIV-UHFFFAOYSA-M
SMILES [Ac+3].[Cl-].[O-2]
Properties
Chemical formula	AcOCl
Molar mass	278 g/mol
Appearance	white crystals
Density	7.23 g/cm3
Melting point	1,000 °C (1,830 °F; 1,270 K)
Structure
Crystal structure	tetragonal
Related compounds
Related compounds	Praseodymium oxychloride Neodymium oxychloride Lanthanum oxychloride Plutonium oxychloride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Actinium oxychloride or actinium oxide chloride is an inorganic compound of actinium, oxygen, and chlorine with the chemical formula AcOCl. ^{[1] [2]}

Synthesis

AcOCl can be synthesized by reacting AcCl₃ with water at 1000 °C. ^{[3] [4]}

Also, it can be produced by heating AcCl₃ in ammonia vapor at 900 °C. ^[5]

Physical properties

The compound forms white crystals of the tetragonal system, structure type of PbClF. ^{[4] [3]}

References

1. Vajgel', F. (1985). "Actinium (3) chloride oxide AcOCl". Handbook of inorganic synthesis. V. 4 (in Russian). IAEA. pp. 1216–1217. Retrieved 14 July 2025.
2. Gutmann, Viktor (2 December 2012). Halogen Chemistry. Elsevier. p. 315. ISBN   978-0-323-14847-4 . Retrieved 14 July 2025.
3. Perry, Dale L. (19 April 2016). Handbook of Inorganic Compounds. CRC Press. p. 2. ISBN   978-1-4398-1462-8 . Retrieved 14 July 2025.
4. Morss, L. R.; Edelstein, Norman M.; Fuger, Jean (31 December 2007). The Chemistry of the Actinide and Transactinide Elements (3rd ed., Volumes 1-5). Springer Science & Business Media. p. 36. ISBN   978-1-4020-3598-2 . Retrieved 14 July 2025.
5. Brown, David; Canterford, J. H.; Colton, Ray (1968). Halides of the Transition Elements: Halides of the lanthanides and actinides, by D. Brown. Wiley. p. 160. ISBN   978-0-470-10840-6 . Retrieved 14 July 2025.