Americium: crystal structures

  • Space group: P63/mmc
  • Space group number: 194
  • Structure: hcp (hexagonal close-packed)
  • Cell parameters:
    • a: 346.81 pm
    • b: 346.81 pm
    • c: 1124.1 pm
    • α: 90.000°
    • β: 90.000°
    • γ: 120.000°

You may view the structure of americium:

americiumcrystal structure image (ball and stick style)
americium crystal structure image (space filling style)


D. B. McWhan, B. B. Cunningham, and J. C. Wallmann, J. Inorg. Nucl. Chem., 1962, 24, 1025.

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