KCl(KBr) is Caswellsilverite structured and crystallizes in the trigonal R-3m space group. K(1) is bonded to three equivalent Br(1) and three equivalent Cl(1) atoms to form a mixture of corner and edge-sharing KBr3Cl3 octahedra. The corner-sharing octahedra are not tilted. Br(1) is bonded to six equivalent K(1) atoms to form BrK6 octahedra that share corners with six equivalent Cl(1)K6 octahedra, edges with six equivalent Br(1)K6 octahedra, and edges with six equivalent Cl(1)K6 octahedra. The corner-sharing octahedral tilt angles are 2°. Cl(1) is bonded to six equivalent K(1) atoms to form ClK6 octahedra that share corners with six equivalent Br(1)K6 octahedra, edges with six equivalent Br(1)K6 octahedra, and edges with six equivalent Cl(1)K6 octahedra. The corner-sharing octahedral tilt angles are 2°.
KCl(KBr) is Caswellsilverite structured and crystallizes in the trigonal R-3m space group. K(1) is bonded to three equivalent Br(1) and three equivalent Cl(1) atoms to form a mixture of corner and edge-sharing KBr3Cl3 octahedra. The corner-sharing octahedra are not tilted. All K(1)-Br(1) bond lengths are 3.28 Å. All K(1)-Cl(1) bond lengths are 3.18 Å. Br(1) is bonded to six equivalent K(1) atoms to form BrK6 octahedra that share corners with six equivalent Cl(1)K6 octahedra, edges with six equivalent Br(1)K6 octahedra, and edges with six equivalent Cl(1)K6 octahedra. The corner-sharing octahedral tilt angles are 2°. Cl(1) is bonded to six equivalent K(1) atoms to form ClK6 octahedra that share corners with six equivalent Br(1)K6 octahedra, edges with six equivalent Br(1)K6 octahedra, and edges with six equivalent Cl(1)K6 octahedra. The corner-sharing octahedral tilt angles are 2°.