Potassium - ₁₉K: crystal structures

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:

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Potassium crystal structure image (ball and stick style) — Potassium crystal structure image (ball and stick style).

Potassium crystal structure image (space filling style) — Potassium crystal structure image (space filling style).

The closest K-K separation is 461 nm implying a potassium metallic radius of 231 nm.

References

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