Ce4CoS7 crystallizes in the monoclinic P2_1 space group. There are four inequivalent Ce sites. In the first Ce site, Ce(1) is bonded in a 6-coordinate geometry to one S(1), one S(2), one S(3), one S(4), one S(5), and one S(7) atom. In the second Ce site, Ce(2) is bonded in a 6-coordinate geometry to one S(1), one S(2), one S(3), one S(5), one S(6), and one S(7) atom. In the third Ce site, Ce(3) is bonded in a 6-coordinate geometry to one S(1), one S(2), one S(3), one S(4), one S(6), and one S(7) atom. In the fourth Ce site, Ce(4) is bonded in a 4-coordinate geometry to one S(1), one S(2), one S(4), one S(5), one S(6), and one S(7) atom. Co(1) is bonded in a trigonal planar geometry to one S(1), one S(2), and one S(3) atom. There are seven inequivalent S sites. In the first S site, S(1) is bonded to one Ce(1), one Ce(2), one Ce(3), one Ce(4), and one Co(1) atom to form a mixture of distorted corner and edge-sharing SCe4Co trigonal bipyramids. In the second S site, S(2) is bonded in a 5-coordinate geometry to one Ce(1), one Ce(2), one Ce(3), one Ce(4), and one Co(1) atom. In the third S site, S(3) is bonded in a 4-coordinate geometry to one Ce(1), one Ce(2), one Ce(3), and one Co(1) atom. In the fourth S site, S(4) is bonded in a 3-coordinate geometry to one Ce(1), one Ce(3), and one Ce(4) atom. In the fifth S site, S(5) is bonded in a 3-coordinate geometry to one Ce(1), one Ce(2), and one Ce(4) atom. In the sixth S site, S(6) is bonded in a 3-coordinate geometry to one Ce(2), one Ce(3), and one Ce(4) atom. In the seventh S site, S(7) is bonded to one Ce(1), one Ce(2), one Ce(3), and one Ce(4) atom to form a mixture of corner and edge-sharing SCe4 tetrahedra.
Ce4CoS7 crystallizes in the monoclinic P2_1 space group. There are four inequivalent Ce sites. In the first Ce site, Ce(1) is bonded in a 6-coordinate geometry to one S(1), one S(2), one S(3), one S(4), one S(5), and one S(7) atom. The Ce(1)-S(1) bond length is 2.88 Å. The Ce(1)-S(2) bond length is 2.78 Å. The Ce(1)-S(3) bond length is 2.80 Å. The Ce(1)-S(4) bond length is 2.93 Å. The Ce(1)-S(5) bond length is 2.88 Å. The Ce(1)-S(7) bond length is 2.75 Å. In the second Ce site, Ce(2) is bonded in a 6-coordinate geometry to one S(1), one S(2), one S(3), one S(5), one S(6), and one S(7) atom. The Ce(2)-S(1) bond length is 2.83 Å. The Ce(2)-S(2) bond length is 2.88 Å. The Ce(2)-S(3) bond length is 2.76 Å. The Ce(2)-S(5) bond length is 2.92 Å. The Ce(2)-S(6) bond length is 2.89 Å. The Ce(2)-S(7) bond length is 2.74 Å. In the third Ce site, Ce(3) is bonded in a 6-coordinate geometry to one S(1), one S(2), one S(3), one S(4), one S(6), and one S(7) atom. The Ce(3)-S(1) bond length is 2.78 Å. The Ce(3)-S(2) bond length is 2.82 Å. The Ce(3)-S(3) bond length is 2.90 Å. The Ce(3)-S(4) bond length is 2.89 Å. The Ce(3)-S(6) bond length is 2.92 Å. The Ce(3)-S(7) bond length is 2.72 Å. In the fourth Ce site, Ce(4) is bonded in a 4-coordinate geometry to one S(1), one S(2), one S(4), one S(5), one S(6), and one S(7) atom. The Ce(4)-S(1) bond length is 3.32 Å. The Ce(4)-S(2) bond length is 3.42 Å. The Ce(4)-S(4) bond length is 2.69 Å. The Ce(4)-S(5) bond length is 2.67 Å. The Ce(4)-S(6) bond length is 2.70 Å. The Ce(4)-S(7) bond length is 2.67 Å. Co(1) is bonded in a trigonal planar geometry to one S(1), one S(2), and one S(3) atom. The Co(1)-S(1) bond length is 2.21 Å. The Co(1)-S(2) bond length is 2.21 Å. The Co(1)-S(3) bond length is 2.19 Å. There are seven inequivalent S sites. In the first S site, S(1) is bonded to one Ce(1), one Ce(2), one Ce(3), one Ce(4), and one Co(1) atom to form a mixture of distorted corner and edge-sharing SCe4Co trigonal bipyramids. In the second S site, S(2) is bonded in a 5-coordinate geometry to one Ce(1), one Ce(2), one Ce(3), one Ce(4), and one Co(1) atom. In the third S site, S(3) is bonded in a 4-coordinate geometry to one Ce(1), one Ce(2), one Ce(3), and one Co(1) atom. In the fourth S site, S(4) is bonded in a 3-coordinate geometry to one Ce(1), one Ce(3), and one Ce(4) atom. In the fifth S site, S(5) is bonded in a 3-coordinate geometry to one Ce(1), one Ce(2), and one Ce(4) atom. In the sixth S site, S(6) is bonded in a 3-coordinate geometry to one Ce(2), one Ce(3), and one Ce(4) atom. In the seventh S site, S(7) is bonded to one Ce(1), one Ce(2), one Ce(3), and one Ce(4) atom to form a mixture of corner and edge-sharing SCe4 tetrahedra.