Actinium(III) oxide
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| Names | |
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| IUPAC name
Actinium(III) oxide
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| Systematic IUPAC name
Actinium(3+) oxide | |
| Other names
Actinium sesquioxide
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| Identifiers | |
3D model (JSmol)
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| ECHA InfoCard | 100.031.275 |
CompTox Dashboard (EPA)
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| Properties | |
| Ac2O3 | |
| Molar mass | 502 g·mol−1 |
| Appearance | white |
| Structure | |
| Trigonal, hP5 | |
| P-3m1, No. 164 | |
| Related compounds | |
Other cations
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Lanthanum(III) oxide |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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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
- ^ Actinium, Great Soviet Encyclopedia (in Russian)
- ^ 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.
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