Cs2CeAsS3Cl2 crystallizes in the orthorhombic Pnma space group. There are two inequivalent Cs sites. In the first Cs site, Cs(1) is bonded in a 7-coordinate geometry to one S(1), two equivalent S(2), one Cl(1), and three equivalent Cl(2) atoms. In the second Cs site, Cs(2) is bonded in a 9-coordinate geometry to one S(1), four equivalent S(2), one Cl(2), and three equivalent Cl(1) atoms. Ce(1) is bonded in a 9-coordinate geometry to three equivalent S(1), four equivalent S(2), one Cl(1), and one Cl(2) atom. As(1) is bonded in a 3-coordinate geometry to one S(1) and two equivalent S(2) atoms. There are two inequivalent S sites. In the first S site, S(1) is bonded in a 6-coordinate geometry to one Cs(1), one Cs(2), three equivalent Ce(1), and one As(1) atom. In the second S site, S(2) is bonded in a 6-coordinate geometry to one Cs(1), two equivalent Cs(2), two equivalent Ce(1), and one As(1) atom. There are two inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in a 5-coordinate geometry to one Cs(1), three equivalent Cs(2), and one Ce(1) atom. In the second Cl site, Cl(2) is bonded in a 5-coordinate geometry to one Cs(2), three equivalent Cs(1), and one Ce(1) atom.
Cs2CeAsS3Cl2 crystallizes in the orthorhombic Pnma space group. There are two inequivalent Cs sites. In the first Cs site, Cs(1) is bonded in a 7-coordinate geometry to one S(1), two equivalent S(2), one Cl(1), and three equivalent Cl(2) atoms. The Cs(1)-S(1) bond length is 3.48 Å. Both Cs(1)-S(2) bond lengths are 3.57 Å. The Cs(1)-Cl(1) bond length is 3.57 Å. There is one shorter (3.51 Å) and two longer (3.76 Å) Cs(1)-Cl(2) bond lengths. In the second Cs site, Cs(2) is bonded in a 9-coordinate geometry to one S(1), four equivalent S(2), one Cl(2), and three equivalent Cl(1) atoms. The Cs(2)-S(1) bond length is 3.46 Å. There are two shorter (3.73 Å) and two longer (3.85 Å) Cs(2)-S(2) bond lengths. The Cs(2)-Cl(2) bond length is 3.84 Å. There are two shorter (3.54 Å) and one longer (3.66 Å) Cs(2)-Cl(1) bond length. Ce(1) is bonded in a 9-coordinate geometry to three equivalent S(1), four equivalent S(2), one Cl(1), and one Cl(2) atom. There is one shorter (3.08 Å) and two longer (3.42 Å) Ce(1)-S(1) bond lengths. There are two shorter (2.98 Å) and two longer (2.99 Å) Ce(1)-S(2) bond lengths. The Ce(1)-Cl(1) bond length is 2.90 Å. The Ce(1)-Cl(2) bond length is 2.90 Å. As(1) is bonded in a 3-coordinate geometry to one S(1) and two equivalent S(2) atoms. The As(1)-S(1) bond length is 2.26 Å. Both As(1)-S(2) bond lengths are 2.27 Å. There are two inequivalent S sites. In the first S site, S(1) is bonded in a 6-coordinate geometry to one Cs(1), one Cs(2), three equivalent Ce(1), and one As(1) atom. In the second S site, S(2) is bonded in a 6-coordinate geometry to one Cs(1), two equivalent Cs(2), two equivalent Ce(1), and one As(1) atom. There are two inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in a 5-coordinate geometry to one Cs(1), three equivalent Cs(2), and one Ce(1) atom. In the second Cl site, Cl(2) is bonded in a 5-coordinate geometry to one Cs(2), three equivalent Cs(1), and one Ce(1) atom.