Citation: Choi, K.-S.; Hanko, J.A.; Kanatzidis, M.G. (1999). Eightfold superstructure in K2 Gd2 Sb2 Se9 and K2 La2 Sb2 S9 caused by three-dimensional ordering of the 5s2 lone pair of Sb(3+) ions. Journal of Solid State Chemistry, 147, pp. 309-319.
Formula: Gd2 K2 Sb2 Se9
Chemical name: K2 (Gd2 Sb2 Se9)
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Gd4 Sb8 Se18 (Gd2 Sb4 Se9)
Multiplicity: 1