Actinium(III) oxide

Actinium(III) oxide
IUPAC name

Actinium(III) oxide
Systematic name

Actinium(3+) oxide
Other names

Actinium sesquioxide
Identifiers
Jmol-3D images Image 1
Properties
Molecular formula Ac2O3
Molar mass 502.05 g mol−1
Exact mass 501.998 g mol-1
Appearance white
Structure
Crystal structure Trigonal, hP5
Space group P-3m1, No. 164
Related compounds
Other cations Lanthanum(III) oxide
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Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Actinium(III) oxide is Ac2O3, a chemical compound containing the rare radioactive element actinium. It is similar to its corresponding lanthanum compound, lanthanum(III) oxide, and contains actinium in the oxidation state +3.[1][2]

References

  1. ^ Actinium, Great Soviet Encyclopedia (in Russian)
  2. ^ Sherman, Fried; Hagemann, French; Zachariasen, W. H. (1950). "The Preparation and Identification of Some Pure Actinium Compounds". Journal of the American Chemical Society 72: 771–775. doi:10.1021/ja01158a034.