โ–ธโ–ธ
  • ๐Ÿ‡ฌ๐Ÿ‡ง Protactinium
  • ๐Ÿ‡จ๐Ÿ‡ณ ้ท
  • ๐Ÿ‡ณ๐Ÿ‡ฑ Protactinium
  • ๐Ÿ‡ซ๐Ÿ‡ท Protactinium
  • ๐Ÿ‡ฉ๐Ÿ‡ช Protactinium
  • ๐Ÿ‡ฎ๐Ÿ‡ฑ ืคืจื•ื˜ืงื˜ื™ื ื™ื•ื
  • ๐Ÿ‡ฎ๐Ÿ‡น Protoattinio
  • ๐Ÿ‡ฏ๐Ÿ‡ต ใƒ—ใƒญใƒˆใ‚ขใ‚ฏใƒใƒ‹ใ‚ฆใƒ 
  • ๐Ÿ‡ต๐Ÿ‡น Protactínio
  • ๐Ÿ‡ท๐Ÿ‡บ ะŸั€ะพั‚ะฐะบั‚ะธะฝะธะน
  • ๐Ÿ‡ช๐Ÿ‡ธ Protactinio
  • ๐Ÿ‡ธ๐Ÿ‡ช Protaktinium

Protactinium: crystal structures

  • Space group: I4/mmm
  • Space group number: 139
  • Structure: tetragonal
  • Cell parameters:
    • a: 392.5 pm
    • b: 392.5 pm
    • c: 323.8 pm
    • α: 90.000°
    • β: 90.000°
    • γ: 90.000°

You may view the structure of protactinium:

Protactinium crystal structure image (ball and stick style)
Protactinium crystal structure image (ball and stick style).
Protactinium crystal structure image (space filling style)
Protactinium crystal structure image (space filling style).
Protactinium 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

W. H. Zachariasen, Acta Crystallogr., 1952, 5, 19.