Names | |
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IUPAC name
Americium(IV) oxide
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Identifiers | |
3D model (JSmol)
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ECHA InfoCard | 100.031.324 |
EC Number |
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PubChem CID
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CompTox Dashboard (EPA)
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Properties | |
AmO2 | |
Molar mass | 275 g·mol−1 |
Appearance | Black crystals |
Density | 11.68 g/cm3 |
Melting point | 2,113 °C (3,835 °F; 2,386 K)[1] |
Structure[1] | |
Fluorite (cubic), cF12 | |
Fm3m, No. 225 | |
a = 537.6 pm
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Formula units (Z)
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4 |
Related compounds | |
Other cations
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Plutonium(IV) oxide Curium(IV) 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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Americium dioxide (AmO2) is a black[2] compound of americium. In the solid state, AmO2 adopts a fluorite structure (like CaF2).[3] It is used as a source of alpha particles.