Citation: T. Z. Forbes; P. C. Burns (2008). Synthesis, Structure, and Infrared Spectroscopy of the First Np5+ Neptunyl Silicates, Li6(NpO2)4(H2Si2O7)(HSiO4)2(H2O)4 and K3(NpO2)3(Si2O7). Inorganic Chemistry, 47, pp. 705-712.
Formula: K Np O4.33 Si0.67
Chemical name: potassium neptunyl silicate
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Np3 O14 Si4 (Np3 O14 Si4)
Multiplicity: 1