Rb2SnTe5 crystallizes in the tetragonal I4cm space group. There are two inequivalent Rb sites. In the first Rb site, Rb(1) is bonded in a 8-coordinate geometry to four equivalent Te(1) and four equivalent Te(2) atoms. In the second Rb site, Rb(2) is bonded in a distorted body-centered cubic geometry to four equivalent Te(1) and four equivalent Te(2) atoms. Sn(1) is bonded in a tetrahedral geometry to two equivalent Te(1) and two equivalent Te(2) atoms. There are three inequivalent Te sites. In the first Te site, Te(1) is bonded in a 6-coordinate geometry to two equivalent Rb(1), two equivalent Rb(2), one Sn(1), and one Te(3) atom. In the second Te site, Te(2) is bonded in a 6-coordinate geometry to two equivalent Rb(1), two equivalent Rb(2), one Sn(1), and one Te(3) atom. In the third Te site, Te(3) is bonded in a square co-planar geometry to two equivalent Te(1) and two equivalent Te(2) atoms.
Rb2SnTe5 crystallizes in the tetragonal I4cm space group. There are two inequivalent Rb sites. In the first Rb site, Rb(1) is bonded in a 8-coordinate geometry to four equivalent Te(1) and four equivalent Te(2) atoms. All Rb(1)-Te(1) bond lengths are 3.74 Å. All Rb(1)-Te(2) bond lengths are 3.80 Å. In the second Rb site, Rb(2) is bonded in a distorted body-centered cubic geometry to four equivalent Te(1) and four equivalent Te(2) atoms. All Rb(2)-Te(1) bond lengths are 3.95 Å. All Rb(2)-Te(2) bond lengths are 3.88 Å. Sn(1) is bonded in a tetrahedral geometry to two equivalent Te(1) and two equivalent Te(2) atoms. Both Sn(1)-Te(1) bond lengths are 2.85 Å. Both Sn(1)-Te(2) bond lengths are 2.85 Å. There are three inequivalent Te sites. In the first Te site, Te(1) is bonded in a 6-coordinate geometry to two equivalent Rb(1), two equivalent Rb(2), one Sn(1), and one Te(3) atom. The Te(1)-Te(3) bond length is 3.03 Å. In the second Te site, Te(2) is bonded in a 6-coordinate geometry to two equivalent Rb(1), two equivalent Rb(2), one Sn(1), and one Te(3) atom. The Te(2)-Te(3) bond length is 3.03 Å. In the third Te site, Te(3) is bonded in a square co-planar geometry to two equivalent Te(1) and two equivalent Te(2) atoms.