K2LiTlBr6 is (Cubic) Perovskite-derived structured and crystallizes in the cubic Fm-3m space group. K(1) is bonded to twelve equivalent Br(1) atoms to form KBr12 cuboctahedra that share corners with twelve equivalent K(1)Br12 cuboctahedra, faces with six equivalent K(1)Br12 cuboctahedra, faces with four equivalent Li(1)Br6 octahedra, and faces with four equivalent Tl(1)Br6 octahedra. Li(1) is bonded to six equivalent Br(1) atoms to form LiBr6 octahedra that share corners with six equivalent Tl(1)Br6 octahedra and faces with eight equivalent K(1)Br12 cuboctahedra. The corner-sharing octahedra are not tilted. Tl(1) is bonded to six equivalent Br(1) atoms to form TlBr6 octahedra that share corners with six equivalent Li(1)Br6 octahedra and faces with eight equivalent K(1)Br12 cuboctahedra. The corner-sharing octahedra are not tilted. Br(1) is bonded in a distorted linear geometry to four equivalent K(1), one Li(1), and one Tl(1) atom.
K2LiTlBr6 is (Cubic) Perovskite-derived structured and crystallizes in the cubic Fm-3m space group. K(1) is bonded to twelve equivalent Br(1) atoms to form KBr12 cuboctahedra that share corners with twelve equivalent K(1)Br12 cuboctahedra, faces with six equivalent K(1)Br12 cuboctahedra, faces with four equivalent Li(1)Br6 octahedra, and faces with four equivalent Tl(1)Br6 octahedra. All K(1)-Br(1) bond lengths are 3.89 Å. Li(1) is bonded to six equivalent Br(1) atoms to form LiBr6 octahedra that share corners with six equivalent Tl(1)Br6 octahedra and faces with eight equivalent K(1)Br12 cuboctahedra. The corner-sharing octahedra are not tilted. All Li(1)-Br(1) bond lengths are 2.73 Å. Tl(1) is bonded to six equivalent Br(1) atoms to form TlBr6 octahedra that share corners with six equivalent Li(1)Br6 octahedra and faces with eight equivalent K(1)Br12 cuboctahedra. The corner-sharing octahedra are not tilted. All Tl(1)-Br(1) bond lengths are 2.78 Å. Br(1) is bonded in a distorted linear geometry to four equivalent K(1), one Li(1), and one Tl(1) atom.