Citation: Ling, C. D.; Schmid, S.; Withers, R. L.; Thompson, J. G.; Ishizawa, N.; Kishimoto, S (1999). Solution and refinement of the crystal structure of Bi~7~Ta~3~O~18~. Acta Crystallographica Section B, 55, pp. 157-164.
Formula: Bi7 O18 Ta3
Chemical name: bismuth tantalum oxide
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Bi28 O72 Ta12 (Bi7 O18 Ta3)
Multiplicity: 1
Coordination sequences: