Actinium(III) oxybromide

Actinium oxybromide

Names
Other names Actinium oxide bromide Actinium(III) oxybomide
Identifiers
CAS Number	49848-33-1  Y
3D model (JSmol)	Interactive image
InChI InChI=1S/Ac.BrH.O/h;1H;/q+3;;-2/p-1 Key: XKRRFPCSEZCCLJ-UHFFFAOYSA-M
SMILES [Ac+3].[Br-].[O-2]
Properties
Chemical formula	AcOBr
Molar mass	323 g/mol
Appearance	white crystals
Density	7.89 g/cm3 [1]
Structure
Crystal structure	tetragonal
Space group	P4/nmm
Related compounds
Related compounds	Berkelium(III) oxybromide Californium(III) oxybromide Plutonium oxybromide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Actinium oxybromide is an inorganic compound of actinium, oxygen, and bromine with the chemical formula AcOBr. ^[2]

Synthesis

AcOBr can be synthesized by reacting AcBr₃ with a mixture of NH₃ and H₂O at 500 °C. ^{[3] [4]}

AcBr₃ + 2NH₃ + H₂O → AcOBr + 2NH₄Br

Physical properties

The compound forms white crystals of tetragonal system, space group P4/nmm. ^[5]

References

1. Perry, Dale L. (19 April 2016). Handbook of Inorganic Compounds. CRC Press. p. 2. ISBN   978-1-4398-1462-8 . Retrieved 14 July 2025.
2. Brown, D. (1968). Halides of the Lanthanides and Actinides. Wiley. p. 203. ISBN   978-0-470-10840-6 . Retrieved 14 July 2025.
3. Fried, Sherman; Hagemann, French (1948). The Preparation of Actinium Compounds. U.S. Atomic Energy Commission, Technical Information Division. p. 2. Retrieved 14 July 2025.
4. Gutmann, Viktor (2 December 2012). Halogen Chemistry. Elsevier. p. 315. ISBN   978-0-323-14847-4 . Retrieved 14 July 2025.
5. Donnay, Joseph Désiré Hubert (1973). Crystal Data: Inorganic compounds. National Bureau of Standards. p. 123. Retrieved 14 July 2025.