Dy4MnS7 crystallizes in the monoclinic Cm space group. There are four inequivalent Dy sites. In the first Dy site, Dy(1) is bonded in a 7-coordinate geometry to one S(4), two equivalent S(2), two equivalent S(3), and two equivalent S(5) atoms. In the second Dy site, Dy(2) is bonded in a 7-coordinate geometry to one S(3), two equivalent S(1), two equivalent S(4), and two equivalent S(6) atoms. In the third Dy site, Dy(3) is bonded to one S(5), one S(6), two equivalent S(3), and two equivalent S(4) atoms to form DyS6 octahedra that share  a cornercorner with one Dy(4)S6 octahedra,  a cornercorner with one Mn(1)S6 octahedra, and edges with two equivalent Dy(3)S6 octahedra. The corner-sharing octahedral tilt angles range from 52-55°. In the fourth Dy site, Dy(4) is bonded to one S(2), one S(6), two equivalent S(1), and two equivalent S(7) atoms to form DyS6 octahedra that share  a cornercorner with one Dy(3)S6 octahedra, corners with two equivalent Mn(1)S6 octahedra, edges with two equivalent Dy(4)S6 octahedra, and edges with three equivalent Mn(1)S6 octahedra. The corner-sharing octahedral tilt angles range from 2-52°. Mn(1) is bonded to one S(1), one S(5), two equivalent S(2), and two equivalent S(7) atoms to form MnS6 octahedra that share  a cornercorner with one Dy(3)S6 octahedra, corners with two equivalent Dy(4)S6 octahedra, edges with two equivalent Mn(1)S6 octahedra, and edges with three equivalent Dy(4)S6 octahedra. The corner-sharing octahedral tilt angles range from 2-55°. There are seven inequivalent S sites. In the first S site, S(1) is bonded to two equivalent Dy(2), two equivalent Dy(4), and one Mn(1) atom to form SDy4Mn trigonal bipyramids that share  a cornercorner with one S(5)Dy3Mn tetrahedra, corners with four equivalent S(6)Dy4 tetrahedra, corners with two equivalent S(3)Dy5 trigonal bipyramids, corners with two equivalent S(4)Dy5 trigonal bipyramids,  an edgeedge with one S(6)Dy4 tetrahedra,  an edgeedge with one S(4)Dy5 trigonal bipyramid, edges with two equivalent S(2)Dy3Mn2 trigonal bipyramids, and edges with two equivalent S(1)Dy4Mn trigonal bipyramids. In the second S site, S(2) is bonded to one Dy(4), two equivalent Dy(1), and two equivalent Mn(1) atoms to form SDy3Mn2 trigonal bipyramids that share  a cornercorner with one S(6)Dy4 tetrahedra, corners with four equivalent S(5)Dy3Mn tetrahedra, corners with two equivalent S(3)Dy5 trigonal bipyramids, corners with two equivalent S(4)Dy5 trigonal bipyramids,  an edgeedge with one S(5)Dy3Mn tetrahedra,  an edgeedge with one S(3)Dy5 trigonal bipyramid, edges with two equivalent S(2)Dy3Mn2 trigonal bipyramids, and edges with two equivalent S(1)Dy4Mn trigonal bipyramids. In the third S site, S(3) is bonded to one Dy(2), two equivalent Dy(1), and two equivalent Dy(3) atoms to form distorted SDy5 trigonal bipyramids that share corners with four equivalent S(5)Dy3Mn tetrahedra, corners with two equivalent S(2)Dy3Mn2 trigonal bipyramids, corners with two equivalent S(1)Dy4Mn trigonal bipyramids, corners with two equivalent S(4)Dy5 trigonal bipyramids,  an edgeedge with one S(5)Dy3Mn tetrahedra, edges with two equivalent S(6)Dy4 tetrahedra,  an edgeedge with one S(2)Dy3Mn2 trigonal bipyramid, edges with two equivalent S(3)Dy5 trigonal bipyramids, and edges with three equivalent S(4)Dy5 trigonal bipyramids. In the fourth S site, S(4) is bonded to one Dy(1), two equivalent Dy(2), and two equivalent Dy(3) atoms to form distorted SDy5 trigonal bipyramids that share corners with four equivalent S(6)Dy4 tetrahedra, corners with two equivalent S(2)Dy3Mn2 trigonal bipyramids, corners with two equivalent S(1)Dy4Mn trigonal bipyramids, corners with two equivalent S(3)Dy5 trigonal bipyramids,  an edgeedge with one S(6)Dy4 tetrahedra, edges with two equivalent S(5)Dy3Mn tetrahedra,  an edgeedge with one S(1)Dy4Mn trigonal bipyramid, edges with two equivalent S(4)Dy5 trigonal bipyramids, and edges with three equivalent S(3)Dy5 trigonal bipyramids. In the fifth S site, S(5) is bonded to one Dy(3), two equivalent Dy(1), and one Mn(1) atom to form SDy3Mn tetrahedra that share  a cornercorner with one S(6)Dy4 tetrahedra, corners with two equivalent S(5)Dy3Mn tetrahedra,  a cornercorner with one S(1)Dy4Mn trigonal bipyramid, corners with four equivalent S(2)Dy3Mn2 trigonal bipyramids, corners with four equivalent S(3)Dy5 trigonal bipyramids,  an edgeedge with one S(2)Dy3Mn2 trigonal bipyramid,  an edgeedge with one S(3)Dy5 trigonal bipyramid, and edges with two equivalent S(4)Dy5 trigonal bipyramids. In the sixth S site, S(6) is bonded to one Dy(3), one Dy(4), and two equivalent Dy(2) atoms to form SDy4 tetrahedra that share  a cornercorner with one S(5)Dy3Mn tetrahedra, corners with two equivalent S(6)Dy4 tetrahedra,  a cornercorner with one S(2)Dy3Mn2 trigonal bipyramid, corners with four equivalent S(1)Dy4Mn trigonal bipyramids, corners with four equivalent S(4)Dy5 trigonal bipyramids,  an edgeedge with one S(1)Dy4Mn trigonal bipyramid,  an edgeedge with one S(4)Dy5 trigonal bipyramid, and edges with two equivalent S(3)Dy5 trigonal bipyramids. In the seventh S site, S(7) is bonded in a rectangular see-saw-like geometry to two equivalent Dy(4) and two equivalent Mn(1) atoms.
Dy4MnS7 crystallizes in the monoclinic Cm space group. There are four inequivalent Dy sites. In the first Dy site, Dy(1) is bonded in a 7-coordinate geometry to one S(4), two equivalent S(2), two equivalent S(3), and two equivalent S(5) atoms. The Dy(1)-S(4) bond length is 3.08 Å. Both Dy(1)-S(2) bond lengths are 2.86 Å. Both Dy(1)-S(3) bond lengths are 2.89 Å. Both Dy(1)-S(5) bond lengths are 2.71 Å. In the second Dy site, Dy(2) is bonded in a 7-coordinate geometry to one S(3), two equivalent S(1), two equivalent S(4), and two equivalent S(6) atoms. The Dy(2)-S(3) bond length is 3.00 Å. Both Dy(2)-S(1) bond lengths are 2.89 Å. Both Dy(2)-S(4) bond lengths are 2.87 Å. Both Dy(2)-S(6) bond lengths are 2.69 Å. In the third Dy site, Dy(3) is bonded to one S(5), one S(6), two equivalent S(3), and two equivalent S(4) atoms to form DyS6 octahedra that share  a cornercorner with one Dy(4)S6 octahedra,  a cornercorner with one Mn(1)S6 octahedra, and edges with two equivalent Dy(3)S6 octahedra. The corner-sharing octahedral tilt angles range from 52-55°. The Dy(3)-S(5) bond length is 2.66 Å. The Dy(3)-S(6) bond length is 2.69 Å. Both Dy(3)-S(3) bond lengths are 2.72 Å. Both Dy(3)-S(4) bond lengths are 2.71 Å. In the fourth Dy site, Dy(4) is bonded to one S(2), one S(6), two equivalent S(1), and two equivalent S(7) atoms to form DyS6 octahedra that share  a cornercorner with one Dy(3)S6 octahedra, corners with two equivalent Mn(1)S6 octahedra, edges with two equivalent Dy(4)S6 octahedra, and edges with three equivalent Mn(1)S6 octahedra. The corner-sharing octahedral tilt angles range from 2-52°. The Dy(4)-S(2) bond length is 2.70 Å. The Dy(4)-S(6) bond length is 2.71 Å. Both Dy(4)-S(1) bond lengths are 2.77 Å. Both Dy(4)-S(7) bond lengths are 2.66 Å. Mn(1) is bonded to one S(1), one S(5), two equivalent S(2), and two equivalent S(7) atoms to form MnS6 octahedra that share  a cornercorner with one Dy(3)S6 octahedra, corners with two equivalent Dy(4)S6 octahedra, edges with two equivalent Mn(1)S6 octahedra, and edges with three equivalent Dy(4)S6 octahedra. The corner-sharing octahedral tilt angles range from 2-55°. The Mn(1)-S(1) bond length is 2.67 Å. The Mn(1)-S(5) bond length is 2.53 Å. Both Mn(1)-S(2) bond lengths are 2.64 Å. Both Mn(1)-S(7) bond lengths are 2.61 Å. There are seven inequivalent S sites. In the first S site, S(1) is bonded to two equivalent Dy(2), two equivalent Dy(4), and one Mn(1) atom to form SDy4Mn trigonal bipyramids that share  a cornercorner with one S(5)Dy3Mn tetrahedra, corners with four equivalent S(6)Dy4 tetrahedra, corners with two equivalent S(3)Dy5 trigonal bipyramids, corners with two equivalent S(4)Dy5 trigonal bipyramids,  an edgeedge with one S(6)Dy4 tetrahedra,  an edgeedge with one S(4)Dy5 trigonal bipyramid, edges with two equivalent S(2)Dy3Mn2 trigonal bipyramids, and edges with two equivalent S(1)Dy4Mn trigonal bipyramids. In the second S site, S(2) is bonded to one Dy(4), two equivalent Dy(1), and two equivalent Mn(1) atoms to form SDy3Mn2 trigonal bipyramids that share  a cornercorner with one S(6)Dy4 tetrahedra, corners with four equivalent S(5)Dy3Mn tetrahedra, corners with two equivalent S(3)Dy5 trigonal bipyramids, corners with two equivalent S(4)Dy5 trigonal bipyramids,  an edgeedge with one S(5)Dy3Mn tetrahedra,  an edgeedge with one S(3)Dy5 trigonal bipyramid, edges with two equivalent S(2)Dy3Mn2 trigonal bipyramids, and edges with two equivalent S(1)Dy4Mn trigonal bipyramids. In the third S site, S(3) is bonded to one Dy(2), two equivalent Dy(1), and two equivalent Dy(3) atoms to form distorted SDy5 trigonal bipyramids that share corners with four equivalent S(5)Dy3Mn tetrahedra, corners with two equivalent S(2)Dy3Mn2 trigonal bipyramids, corners with two equivalent S(1)Dy4Mn trigonal bipyramids, corners with two equivalent S(4)Dy5 trigonal bipyramids,  an edgeedge with one S(5)Dy3Mn tetrahedra, edges with two equivalent S(6)Dy4 tetrahedra,  an edgeedge with one S(2)Dy3Mn2 trigonal bipyramid, edges with two equivalent S(3)Dy5 trigonal bipyramids, and edges with three equivalent S(4)Dy5 trigonal bipyramids. In the fourth S site, S(4) is bonded to one Dy(1), two equivalent Dy(2), and two equivalent Dy(3) atoms to form distorted SDy5 trigonal bipyramids that share corners with four equivalent S(6)Dy4 tetrahedra, corners with two equivalent S(2)Dy3Mn2 trigonal bipyramids, corners with two equivalent S(1)Dy4Mn trigonal bipyramids, corners with two equivalent S(3)Dy5 trigonal bipyramids,  an edgeedge with one S(6)Dy4 tetrahedra, edges with two equivalent S(5)Dy3Mn tetrahedra,  an edgeedge with one S(1)Dy4Mn trigonal bipyramid, edges with two equivalent S(4)Dy5 trigonal bipyramids, and edges with three equivalent S(3)Dy5 trigonal bipyramids. In the fifth S site, S(5) is bonded to one Dy(3), two equivalent Dy(1), and one Mn(1) atom to form SDy3Mn tetrahedra that share  a cornercorner with one S(6)Dy4 tetrahedra, corners with two equivalent S(5)Dy3Mn tetrahedra,  a cornercorner with one S(1)Dy4Mn trigonal bipyramid, corners with four equivalent S(2)Dy3Mn2 trigonal bipyramids, corners with four equivalent S(3)Dy5 trigonal bipyramids,  an edgeedge with one S(2)Dy3Mn2 trigonal bipyramid,  an edgeedge with one S(3)Dy5 trigonal bipyramid, and edges with two equivalent S(4)Dy5 trigonal bipyramids. In the sixth S site, S(6) is bonded to one Dy(3), one Dy(4), and two equivalent Dy(2) atoms to form SDy4 tetrahedra that share  a cornercorner with one S(5)Dy3Mn tetrahedra, corners with two equivalent S(6)Dy4 tetrahedra,  a cornercorner with one S(2)Dy3Mn2 trigonal bipyramid, corners with four equivalent S(1)Dy4Mn trigonal bipyramids, corners with four equivalent S(4)Dy5 trigonal bipyramids,  an edgeedge with one S(1)Dy4Mn trigonal bipyramid,  an edgeedge with one S(4)Dy5 trigonal bipyramid, and edges with two equivalent S(3)Dy5 trigonal bipyramids. In the seventh S site, S(7) is bonded in a rectangular see-saw-like geometry to two equivalent Dy(4) and two equivalent Mn(1) atoms.