Citation: Fakhfakh, M.; Verbaere, A.; Jouini, N. (1992). Preparation and crystal structure of the phosphato-niobate Tl3NaNb4O9(PO4)2. European Journal of Solid State and Inorganic Chemistry, 29, pp. 563-572.
Formula: Na Nb4 O17 P2 Tl3
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Nb16 O68 P8 (Nb4 O17 P2)
Multiplicity: 1
Coordination sequences: