Protactinium - ₉₁Pa: 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°

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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).

References

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