Rb2PrAgBr6 is (Cubic) Perovskite-derived structured and crystallizes in the cubic Fm-3m space group. Rb(1) is bonded to twelve equivalent Br(1) atoms to form RbBr12 cuboctahedra that share corners with twelve equivalent Rb(1)Br12 cuboctahedra, faces with six equivalent Rb(1)Br12 cuboctahedra, faces with four equivalent Pr(1)Br6 octahedra, and faces with four equivalent Ag(1)Br6 octahedra. Pr(1) is bonded to six equivalent Br(1) atoms to form PrBr6 octahedra that share corners with six equivalent Ag(1)Br6 octahedra and faces with eight equivalent Rb(1)Br12 cuboctahedra. The corner-sharing octahedra are not tilted. Ag(1) is bonded to six equivalent Br(1) atoms to form AgBr6 octahedra that share corners with six equivalent Pr(1)Br6 octahedra and faces with eight equivalent Rb(1)Br12 cuboctahedra. The corner-sharing octahedra are not tilted. Br(1) is bonded in a distorted linear geometry to four equivalent Rb(1), one Pr(1), and one Ag(1) atom.
Rb2PrAgBr6 is (Cubic) Perovskite-derived structured and crystallizes in the cubic Fm-3m space group. Rb(1) is bonded to twelve equivalent Br(1) atoms to form RbBr12 cuboctahedra that share corners with twelve equivalent Rb(1)Br12 cuboctahedra, faces with six equivalent Rb(1)Br12 cuboctahedra, faces with four equivalent Pr(1)Br6 octahedra, and faces with four equivalent Ag(1)Br6 octahedra. All Rb(1)-Br(1) bond lengths are 4.08 Å. Pr(1) is bonded to six equivalent Br(1) atoms to form PrBr6 octahedra that share corners with six equivalent Ag(1)Br6 octahedra and faces with eight equivalent Rb(1)Br12 cuboctahedra. The corner-sharing octahedra are not tilted. All Pr(1)-Br(1) bond lengths are 2.90 Å. Ag(1) is bonded to six equivalent Br(1) atoms to form AgBr6 octahedra that share corners with six equivalent Pr(1)Br6 octahedra and faces with eight equivalent Rb(1)Br12 cuboctahedra. The corner-sharing octahedra are not tilted. All Ag(1)-Br(1) bond lengths are 2.87 Å. Br(1) is bonded in a distorted linear geometry to four equivalent Rb(1), one Pr(1), and one Ag(1) atom.