Citation: Roth, R. S.; Wadsley, A. D.; Andersson, S. (1965). The crystal structure of PNb~9~O~25~, (P~2~O~5~ . 9Nb~2~O~5~). Acta Crystallographica, 18, pp. 643-647.
Formula: Nb9 O25 P
Chemical name: Phosphorus Niobium Oxide (1/9/25)
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Nb18 O50 P2 (Nb9 O25 P)
Multiplicity: 1
Coordination sequences: