Americium dioxide

Americium dioxide
Names
	IUPAC name Americium(IV) oxide
Identifiers
CAS Number	12005-67-3 ;
3D model (JSmol)	Interactive image;
ECHA InfoCard	100.031.324
EC Number	234-471-0;
PubChem CID	57461988;
CompTox Dashboard (EPA)	DTXSID40894182 ;
	InChI InChI=1S/Am.2O/q+4;2*-2 Key: GABXYUQCUHMHDP-UHFFFAOYSA-N ;
	SMILES [O--].[O--].[Am+4];
Properties
Chemical formula	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)
Structure
Crystal structure	Fluorite (cubic), cF12
Space group	Fm3m, No. 225
Lattice constant	a = 537.6 pm
Formula units (Z)	4
Related compounds
Other cations	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). verify (what is ?) Infobox references

Americium dioxide (AmO₂) is a black compound of americium. In the solid state, AmO₂ adopts a fluorite structure (like CaF₂). It is used as a source of alpha particles.

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