Citation: W. H. Zachariasen (1952). Crystal chemical studies of the 5f - series of elements. XVI. Identification and crystal structure of protactinium metal and of protactinium monoxide. Acta Crystallographica, 5, pp. 19-21.
Formula: Pa
Chemical name: Protactinium
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Pa2 (Pa)
Multiplicity: 1
RCSR Symbol: bct
Coordination sequences: