Citation: Abrahams, S. C. (1996). New ferroelectric inorganic materials predicted in point group 4mm. Acta Crystallographica Section B, 52, pp. 790-805.
Formula: K2 Nb2 O14 Si4
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Nb4 O28 Si8 (Nb O7 Si2)
Multiplicity: 1
Coordination sequences: