RbPS3 crystallizes in the orthorhombic Immm space group. Rb(1) is bonded in a distorted q6 geometry to two equivalent S(1) and eight equivalent S(2) atoms. P(1) is bonded to two equivalent S(1) and two equivalent S(2) atoms to form edge-sharing PS4 tetrahedra. There are two inequivalent S sites. In the first S site, S(1) is bonded in a distorted rectangular see-saw-like geometry to two equivalent Rb(1) and two equivalent P(1) atoms. In the second S site, S(2) is bonded in a distorted single-bond geometry to four equivalent Rb(1) and one P(1) atom.
RbPS3 crystallizes in the orthorhombic Immm space group. Rb(1) is bonded in a distorted q6 geometry to two equivalent S(1) and eight equivalent S(2) atoms. Both Rb(1)-S(1) bond lengths are 3.55 Å. There are four shorter (3.55 Å) and four longer (3.71 Å) Rb(1)-S(2) bond lengths. P(1) is bonded to two equivalent S(1) and two equivalent S(2) atoms to form edge-sharing PS4 tetrahedra. Both P(1)-S(1) bond lengths are 2.15 Å. Both P(1)-S(2) bond lengths are 1.97 Å. There are two inequivalent S sites. In the first S site, S(1) is bonded in a distorted rectangular see-saw-like geometry to two equivalent Rb(1) and two equivalent P(1) atoms. In the second S site, S(2) is bonded in a distorted single-bond geometry to four equivalent Rb(1) and one P(1) atom.