โ–ธโ–ธ
  • ๐Ÿ‡ฌ๐Ÿ‡ง Helium
  • ๐Ÿ‡จ๐Ÿ‡ณ ๆฐฆ
  • ๐Ÿ‡ณ๐Ÿ‡ฑ Helium
  • ๐Ÿ‡ซ๐Ÿ‡ท Hélium
  • ๐Ÿ‡ฉ๐Ÿ‡ช Helium
  • ๐Ÿ‡ฎ๐Ÿ‡ฑ ื”ืœื™ื•ื
  • ๐Ÿ‡ฎ๐Ÿ‡น Elio
  • ๐Ÿ‡ฏ๐Ÿ‡ต ใƒ˜ใƒชใ‚ฆใƒ 
  • ๐Ÿ‡ต๐Ÿ‡น Hélio
  • ๐Ÿ‡ท๐Ÿ‡บ ะ“ะตะปะธะน
  • ๐Ÿ‡ช๐Ÿ‡ธ Helio
  • ๐Ÿ‡ธ๐Ÿ‡ช Helium

Helium: crystal structures

  • Space group: Fm3-m
  • Space group number: 225
  • Structure: ccp (cubic close-packed)
  • Cell parameters:
    • a: 424.2 pm
    • b: 424.2 pm
    • c: 424.2 pm
    • α: 90.000°
    • β: 90.000°
    • γ: 90.000°

You may view the structure of helium:

Helium crystal structure image (ball and stick style)
Helium crystal structure image (ball and stick style).
Helium crystal structure image (space filling style)
Helium crystal structure image (space filling style).
Helium crystal structure image displayed using JSMol. Try rotating the picture. The JSMol logo at the bottom right of the image is a popup menu allowing furher tinteraction with the structure

References

A.F. Schuch and R.L. Mills, Phys. Rev. Lett., 1961, 6, 596.