Americium dioxide

Americium dioxide
IUPAC name

Americium(IV) oxide
Identifiers
CAS number 12005-67-3 Y
Jmol-3D images Image 1
Properties
Molecular formula AmO2
Molar mass 275.06 g mol−1
Exact mass 274.990 g mol-1
Appearance Black crystals
Structure
Crystal structure Fluorite (cubic), cF12
Space group Fm3, No. 225
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Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Americium dioxide (AmO2) is a black[1] compound of americium. It is used as a source of alpha particles, particularly in ionisation-type smoke detectors.[2] In the solid state AmO2 adopts the fluorite, CaF2 structure.[3]

References

  1. ^ Greenwood, N. N. & Earnshaw, A.. Chemistry of the Elements (2nd ed.). Pergamon Press. p. 1267. ISBN 0-08-022057-6. 
  2. ^ "Toxicological profile for americium". U.S. Department of Health and Human Services. April 2004. http://www.atsdr.cdc.gov/toxprofiles/tp156.pdf. Retrieved 15 January 2011. 
  3. ^ Wells, A. F. (Alexander Frank) (1984). Structural inorganic chemistry. Oxford: Clarendon Press. ISBN 978-0-19-855370-0. 

External links