Potassium: crystal structure

  • Space group: Im-3m (Space group number: 229)
  • Structure: bcc (body-centred cubic)
  • Cell parameters:
    • a: 532.8 pm
    • b: 532.8 pm
    • c: 532.8 pm
    • α: 90.000°
    • β: 90.000°
    • γ: 90.000°

You may view the structure of potassium:

potassiumcrystal structure image (ball and stick style)
The closest K-K separation is 461 nm implying a potassium metallic radius of 231 nm.


L.-G. Liu, J. Phys. Chem. Solids, 1986, 47, 1067.

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potassium atomic number