Citation: Zachariasen, W.H. (1949). Crystal chemical studies of the 5f-series of elements. VI. The Ce2 S3 - Ce3 S4 type of structure. Acta Crystallographica (1,1948-23,1967), 2, pp. 57-60.
Formula: Ac10.666 S15.999
Chemical name: Actinium sulfide (10.67/16)
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Ac12 S16 (Ac3 S4)
Multiplicity: 1
RCSR Symbol: tph
Coordination sequences: