KYO2 is Caswellsilverite structured and crystallizes in the trigonal R-3m space group. K(1) is bonded to six equivalent O(1) atoms to form distorted KO6 octahedra that share corners with six equivalent Y(1)O6 octahedra, edges with six equivalent K(1)O6 octahedra, and edges with six equivalent Y(1)O6 octahedra. The corner-sharing octahedral tilt angles are 14°. Y(1) is bonded to six equivalent O(1) atoms to form YO6 octahedra that share corners with six equivalent K(1)O6 octahedra, edges with six equivalent K(1)O6 octahedra, and edges with six equivalent Y(1)O6 octahedra. The corner-sharing octahedral tilt angles are 14°. O(1) is bonded to three equivalent K(1) and three equivalent Y(1) atoms to form a mixture of distorted corner and edge-sharing OK3Y3 octahedra. The corner-sharing octahedra are not tilted.
KYO2 is Caswellsilverite structured and crystallizes in the trigonal R-3m space group. K(1) is bonded to six equivalent O(1) atoms to form distorted KO6 octahedra that share corners with six equivalent Y(1)O6 octahedra, edges with six equivalent K(1)O6 octahedra, and edges with six equivalent Y(1)O6 octahedra. The corner-sharing octahedral tilt angles are 14°. All K(1)-O(1) bond lengths are 2.79 Å. Y(1) is bonded to six equivalent O(1) atoms to form YO6 octahedra that share corners with six equivalent K(1)O6 octahedra, edges with six equivalent K(1)O6 octahedra, and edges with six equivalent Y(1)O6 octahedra. The corner-sharing octahedral tilt angles are 14°. All Y(1)-O(1) bond lengths are 2.30 Å. O(1) is bonded to three equivalent K(1) and three equivalent Y(1) atoms to form a mixture of distorted corner and edge-sharing OK3Y3 octahedra. The corner-sharing octahedra are not tilted.