Citation: Rae, A. D.; Thompson, J. G.; Withers, R. L. (1992). Structure refinement of commensurately modulated bismuth strontium tantalate, Bi~2~SrTa~2~O~9~. Acta Crystallographica Section B, 48, pp. 418-428.
Formula: Bi2 O9 Sr Ta2
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Bi8 O36 Ta8 (Bi2 O9 Ta2)
Multiplicity: 1