RbGeI3 is (Cubic) Perovskite structured and crystallizes in the cubic Pm-3m space group. Rb(1) is bonded to twelve equivalent I(1) atoms to form RbI12 cuboctahedra that share corners with twelve equivalent Rb(1)I12 cuboctahedra, faces with six equivalent Rb(1)I12 cuboctahedra, and faces with eight equivalent Ge(1)I6 octahedra. Ge(1) is bonded to six equivalent I(1) atoms to form GeI6 octahedra that share corners with six equivalent Ge(1)I6 octahedra and faces with eight equivalent Rb(1)I12 cuboctahedra. The corner-sharing octahedra are not tilted. I(1) is bonded to four equivalent Rb(1) and two equivalent Ge(1) atoms to form a mixture of distorted face, corner, and edge-sharing IRb4Ge2 octahedra. The corner-sharing octahedral tilt angles range from 0-60°.
RbGeI3 is (Cubic) Perovskite structured and crystallizes in the cubic Pm-3m space group. Rb(1) is bonded to twelve equivalent I(1) atoms to form RbI12 cuboctahedra that share corners with twelve equivalent Rb(1)I12 cuboctahedra, faces with six equivalent Rb(1)I12 cuboctahedra, and faces with eight equivalent Ge(1)I6 octahedra. All Rb(1)-I(1) bond lengths are 4.18 Å. Ge(1) is bonded to six equivalent I(1) atoms to form GeI6 octahedra that share corners with six equivalent Ge(1)I6 octahedra and faces with eight equivalent Rb(1)I12 cuboctahedra. The corner-sharing octahedra are not tilted. All Ge(1)-I(1) bond lengths are 2.96 Å. I(1) is bonded to four equivalent Rb(1) and two equivalent Ge(1) atoms to form a mixture of distorted face, corner, and edge-sharing IRb4Ge2 octahedra. The corner-sharing octahedral tilt angles range from 0-60°.