Platinum: crystal structure

  • Space group: Fm-3m (Space group number: 225)
  • Structure: ccp (cubic close-packed)
  • Cell parameters:
    • a: 392.42 pm
    • b: 392.42 pm
    • c: 392.42 pm
    • α: 90.000°
    • β: 90.000°
    • γ: 90.000°

You may view the structure of platinum:

platinum crystal structure image (space filling style)
platinumcrystal structure image (ball and stick style)
The closest Pt-Pt separation is 277.5 pm implying a platinum metallic radius of 139 pm.


Y. Waseda, K. Hirata, and M. Ohtani, High Temp. High Pressures, 1975, 7, 221.

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platinum atomic number