Figure 4
Polyhedral presentation of a single layer consisting of the UO2(CO3)3 complex, triplets of polyhedra around Na3 and octahedra around Na1 or Na2 found in the Na4[UO2(CO3)3] viewed down [001]. Colour-coding of polyhedra, red: UO2O6 polyhedron; blue: planar CO3 triangles; yellow: NaO6 octahedra; green: NaO5 irregular square pyramid. |