Citation: Spooner, F.J.; Wilson, C.G. (1964). Ordering in binary sigma phases. Acta Crystallographica (1,1948-23,1967), 17, pp. 1533-1538.
Formula: Ir2 Nb3
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Ir26 Nb20 (Ir13 Nb10)
Multiplicity: 1
Coordination sequences: