Citation: Benabbas, A; Borel, M M; Grandin, A; Leclaire, A; Raveau, B (1993). Single-crystal structure of K3 Nb8 O21. Acta Crystallographica C (39,1983-), 49, pp. 439-441.
Formula: K3 Nb8 O21
Chemical name: Tripotassium tecto-octaniobate
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Nb16 O42 (Nb8 O21)
Multiplicity: 1
Coordination sequences: