Rb2CoAuF6 crystallizes in the cubic Fm-3m space group. Rb(1) is bonded to twelve equivalent F(1) atoms to form RbF12 cuboctahedra that share corners with twelve equivalent Rb(1)F12 cuboctahedra, faces with six equivalent Rb(1)F12 cuboctahedra, faces with four equivalent Co(1)F6 octahedra, and faces with four equivalent Au(1)F6 octahedra. Co(1) is bonded to six equivalent F(1) atoms to form CoF6 octahedra that share corners with six equivalent Au(1)F6 octahedra and faces with eight equivalent Rb(1)F12 cuboctahedra. The corner-sharing octahedra are not tilted. Au(1) is bonded to six equivalent F(1) atoms to form AuF6 octahedra that share corners with six equivalent Co(1)F6 octahedra and faces with eight equivalent Rb(1)F12 cuboctahedra. The corner-sharing octahedra are not tilted. F(1) is bonded in a 6-coordinate geometry to four equivalent Rb(1), one Co(1), and one Au(1) atom.
Rb2CoAuF6 crystallizes in the cubic Fm-3m space group. Rb(1) is bonded to twelve equivalent F(1) atoms to form RbF12 cuboctahedra that share corners with twelve equivalent Rb(1)F12 cuboctahedra, faces with six equivalent Rb(1)F12 cuboctahedra, faces with four equivalent Co(1)F6 octahedra, and faces with four equivalent Au(1)F6 octahedra. All Rb(1)-F(1) bond lengths are 3.10 Å. Co(1) is bonded to six equivalent F(1) atoms to form CoF6 octahedra that share corners with six equivalent Au(1)F6 octahedra and faces with eight equivalent Rb(1)F12 cuboctahedra. The corner-sharing octahedra are not tilted. All Co(1)-F(1) bond lengths are 1.98 Å. Au(1) is bonded to six equivalent F(1) atoms to form AuF6 octahedra that share corners with six equivalent Co(1)F6 octahedra and faces with eight equivalent Rb(1)F12 cuboctahedra. The corner-sharing octahedra are not tilted. All Au(1)-F(1) bond lengths are 2.39 Å. F(1) is bonded in a 6-coordinate geometry to four equivalent Rb(1), one Co(1), and one Au(1) atom.