Citation: Savborg, O.; Lundberg, M. (1985). Structures of Niobium and Tantalum Oxide Fluorides Containing Lone-Pair Ions I.Pb3 M4 O12 F2 (M=Nb Or Ta): A Structure with Recognizable Pyrochlore Units. Journal of Solid State Chemistry, 57, pp. 135-142.
Formula: F2 Nb4 O12 Pb3
Chemical name: Pb3 Nb4 O12 F2
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: F8 Nb16 O52 Pb8 (F2 Nb4 O13 Pb2)
Multiplicity: 1