Fig. 2. Structural characteristics of the present HS-I structure.
Hydrogen atoms are omitted for clarity. Letters in the brackets show point group symmetry of the cage. Polyhedra: Blue, D cage; green, T cage; red, P cage. Sphere: Red, oxygen of water; yellow, chlorine; blue, nitrogen; green, carbon. (A) The three types of cages with disorders. (B) The T2P2 cage occupied by the N4446 cation. (C) A view of 2 × 2 × 2 unit cell from c axis.
