Citation: Boukhari, A.; Chaminade, J. P.; Pouchard, M.; Vlasse, M. (1980). Structure of the potassium tantalum fluoride oxide K3Ta4F7O8. Acta Crystallographica, Section B, 36, pp. 237-240.
Formula: F7 K3 O8 Ta4
List type: interleaving
List: 2D
Basis: (1;0;0 0;1;0)
Dimensionality: 2
Formula: F30 O30 Ta8 (F15 O15 Ta4)
Multiplicity: 1