Rb3Ag9(SbS3)4 crystallizes in the tetragonal I-4 space group. There are two inequivalent Rb sites. In the first Rb site, Rb(1) is bonded in a body-centered cubic geometry to four equivalent S(1) and four equivalent S(2) atoms. In the second Rb site, Rb(2) is bonded in a 8-coordinate geometry to two equivalent S(1), two equivalent S(2), and four equivalent S(3) atoms. There are three inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a 4-coordinate geometry to four equivalent S(1) atoms. In the second Ag site, Ag(2) is bonded in a distorted trigonal planar geometry to one S(2), one S(3), and two equivalent S(1) atoms. In the third Ag site, Ag(3) is bonded in a trigonal planar geometry to one S(3) and two equivalent S(2) atoms. Sb(1) is bonded in a distorted trigonal non-coplanar geometry to one S(1), one S(2), and one S(3) atom. There are three inequivalent S sites. In the first S site, S(1) is bonded in a 6-coordinate geometry to one Rb(1), one Rb(2), one Ag(1), two equivalent Ag(2), and one Sb(1) atom. In the second S site, S(2) is bonded in a 6-coordinate geometry to one Rb(1), one Rb(2), one Ag(2), two equivalent Ag(3), and one Sb(1) atom. In the third S site, S(3) is bonded in a 5-coordinate geometry to two equivalent Rb(2), one Ag(2), one Ag(3), and one Sb(1) atom.
Rb3Ag9(SbS3)4 crystallizes in the tetragonal I-4 space group. There are two inequivalent Rb sites. In the first Rb site, Rb(1) is bonded in a body-centered cubic geometry to four equivalent S(1) and four equivalent S(2) atoms. All Rb(1)-S(1) bond lengths are 3.61 Å. All Rb(1)-S(2) bond lengths are 3.49 Å. In the second Rb site, Rb(2) is bonded in a 8-coordinate geometry to two equivalent S(1), two equivalent S(2), and four equivalent S(3) atoms. Both Rb(2)-S(1) bond lengths are 3.67 Å. Both Rb(2)-S(2) bond lengths are 3.55 Å. There are two shorter (3.45 Å) and two longer (3.48 Å) Rb(2)-S(3) bond lengths. There are three inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a 4-coordinate geometry to four equivalent S(1) atoms. All Ag(1)-S(1) bond lengths are 2.83 Å. In the second Ag site, Ag(2) is bonded in a distorted trigonal planar geometry to one S(2), one S(3), and two equivalent S(1) atoms. The Ag(2)-S(2) bond length is 3.17 Å. The Ag(2)-S(3) bond length is 2.52 Å. There is one shorter (2.55 Å) and one longer (2.60 Å) Ag(2)-S(1) bond length. In the third Ag site, Ag(3) is bonded in a trigonal planar geometry to one S(3) and two equivalent S(2) atoms. The Ag(3)-S(3) bond length is 2.58 Å. There is one shorter (2.54 Å) and one longer (2.56 Å) Ag(3)-S(2) bond length. Sb(1) is bonded in a distorted trigonal non-coplanar geometry to one S(1), one S(2), and one S(3) atom. The Sb(1)-S(1) bond length is 2.49 Å. The Sb(1)-S(2) bond length is 2.46 Å. The Sb(1)-S(3) bond length is 2.45 Å. There are three inequivalent S sites. In the first S site, S(1) is bonded in a 6-coordinate geometry to one Rb(1), one Rb(2), one Ag(1), two equivalent Ag(2), and one Sb(1) atom. In the second S site, S(2) is bonded in a 6-coordinate geometry to one Rb(1), one Rb(2), one Ag(2), two equivalent Ag(3), and one Sb(1) atom. In the third S site, S(3) is bonded in a 5-coordinate geometry to two equivalent Rb(2), one Ag(2), one Ag(3), and one Sb(1) atom.