Cs3Ag9(SbS3)4 crystallizes in the tetragonal I-4 space group. There are two inequivalent Cs sites. In the first Cs site, Cs(1) is bonded in a body-centered cubic geometry to four equivalent S(2) and four equivalent S(3) atoms. In the second Cs site, Cs(2) is bonded in a 8-coordinate geometry to two equivalent S(2), two equivalent S(3), and four equivalent S(1) 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(3) atoms. In the second Ag site, Ag(2) is bonded in a distorted trigonal planar geometry to one S(1), one S(2), and two equivalent S(3) atoms. In the third Ag site, Ag(3) is bonded in a trigonal planar geometry to one S(1) 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 5-coordinate geometry to two equivalent Cs(2), one Ag(2), one Ag(3), and one Sb(1) atom. In the second S site, S(2) is bonded in a 6-coordinate geometry to one Cs(1), one Cs(2), one Ag(2), two equivalent Ag(3), and one Sb(1) atom. In the third S site, S(3) is bonded in a 6-coordinate geometry to one Cs(1), one Cs(2), one Ag(1), two equivalent Ag(2), and one Sb(1) atom.
Cs3Ag9(SbS3)4 crystallizes in the tetragonal I-4 space group. There are two inequivalent Cs sites. In the first Cs site, Cs(1) is bonded in a body-centered cubic geometry to four equivalent S(2) and four equivalent S(3) atoms. All Cs(1)-S(2) bond lengths are 3.61 Å. All Cs(1)-S(3) bond lengths are 3.70 Å. In the second Cs site, Cs(2) is bonded in a 8-coordinate geometry to two equivalent S(2), two equivalent S(3), and four equivalent S(1) atoms. Both Cs(2)-S(2) bond lengths are 3.64 Å. Both Cs(2)-S(3) bond lengths are 3.75 Å. There are two shorter (3.58 Å) and two longer (3.61 Å) Cs(2)-S(1) 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(3) atoms. All Ag(1)-S(3) bond lengths are 2.82 Å. In the second Ag site, Ag(2) is bonded in a distorted trigonal planar geometry to one S(1), one S(2), and two equivalent S(3) atoms. The Ag(2)-S(1) bond length is 2.52 Å. The Ag(2)-S(2) bond length is 3.19 Å. There is one shorter (2.56 Å) and one longer (2.61 Å) Ag(2)-S(3) bond length. In the third Ag site, Ag(3) is bonded in a trigonal planar geometry to one S(1) and two equivalent S(2) atoms. The Ag(3)-S(1) bond length is 2.57 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 2.47 Å. The Sb(1)-S(2) bond length is 2.47 Å. The Sb(1)-S(3) bond length is 2.50 Å. There are three inequivalent S sites. In the first S site, S(1) is bonded in a 5-coordinate geometry to two equivalent Cs(2), one Ag(2), one Ag(3), and one Sb(1) atom. In the second S site, S(2) is bonded in a 6-coordinate geometry to one Cs(1), one Cs(2), one Ag(2), two equivalent Ag(3), and one Sb(1) atom. In the third S site, S(3) is bonded in a 6-coordinate geometry to one Cs(1), one Cs(2), one Ag(1), two equivalent Ag(2), and one Sb(1) atom.