The crystal structure described by Dy4CrS7 crystallizes in the monoclinic Cm space group. There are four inequivalent Dy sites. In the first Dy site, Dy(1) is bonded in a 8-coordinate geometry to one S(6), one S(7), two equivalent S(1), two equivalent S(4), and two equivalent S(5) atoms. In the second Dy site, Dy(2) is bonded in a 7-coordinate geometry to one S(5), two equivalent S(2), two equivalent S(3), and two equivalent S(6) atoms. In the third Dy site, Dy(3) is bonded to one S(1), one S(2), two equivalent S(5), and two equivalent S(6) atoms to form DyS6 octahedra that share  a cornercorner with one Dy(4)S6 octahedra,  a cornercorner with one Cr(1)S6 octahedra, and edges with two equivalent Dy(3)S6 octahedra. The corner-sharing octahedral tilt angles range from 51-54°. In the fourth Dy site, Dy(4) is bonded to one S(2), one S(4), two equivalent S(3), and two equivalent S(7) atoms to form DyS6 octahedra that share  a cornercorner with one Dy(3)S6 octahedra, corners with two equivalent Cr(1)S6 octahedra, edges with two equivalent Dy(4)S6 octahedra, and edges with three equivalent Cr(1)S6 octahedra. The corner-sharing octahedral tilt angles range from 3-51°. Cr(1) is bonded to one S(1), one S(3), two equivalent S(4), and two equivalent S(7) atoms to form CrS6 octahedra that share  a cornercorner with one Dy(3)S6 octahedra, corners with two equivalent Dy(4)S6 octahedra, edges with two equivalent Cr(1)S6 octahedra, and edges with three equivalent Dy(4)S6 octahedra. The corner-sharing octahedral tilt angles range from 3-54°. There are seven inequivalent S sites. In the first S site, S(1) is bonded to one Dy(3), two equivalent Dy(1), and one Cr(1) atom to form distorted SDy3Cr tetrahedra that share corners with four equivalent S(4)Dy3Cr2 square pyramids,  a cornercorner with one S(2)Dy4 tetrahedra, corners with two equivalent S(1)Dy3Cr tetrahedra,  a cornercorner with one S(3)Dy4Cr trigonal bipyramid, corners with four equivalent S(5)Dy5 trigonal bipyramids,  an edgeedge with one S(4)Dy3Cr2 square pyramid,  an edgeedge with one S(5)Dy5 trigonal bipyramid, and edges with two equivalent S(6)Dy5 trigonal bipyramids. In the second S site, S(2) 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(4)Dy3Cr2 square pyramid,  a cornercorner with one S(1)Dy3Cr tetrahedra, corners with two equivalent S(2)Dy4 tetrahedra, corners with four equivalent S(3)Dy4Cr trigonal bipyramids, corners with four equivalent S(6)Dy5 trigonal bipyramids,  an edgeedge with one S(3)Dy4Cr trigonal bipyramid,  an edgeedge with one S(6)Dy5 trigonal bipyramid, and edges with two equivalent S(5)Dy5 trigonal bipyramids. In the third S site, S(3) is bonded to two equivalent Dy(2), two equivalent Dy(4), and one Cr(1) atom to form distorted SDy4Cr trigonal bipyramids that share  a cornercorner with one S(1)Dy3Cr tetrahedra, corners with four equivalent S(2)Dy4 tetrahedra, corners with two equivalent S(5)Dy5 trigonal bipyramids, corners with two equivalent S(6)Dy5 trigonal bipyramids, edges with two equivalent S(4)Dy3Cr2 square pyramids,  an edgeedge with one S(2)Dy4 tetrahedra,  an edgeedge with one S(6)Dy5 trigonal bipyramid, and edges with two equivalent S(3)Dy4Cr trigonal bipyramids. In the fourth S site, S(4) is bonded to one Dy(4), two equivalent Dy(1), and two equivalent Cr(1) atoms to form SDy3Cr2 square pyramids that share  a cornercorner with one S(2)Dy4 tetrahedra, corners with four equivalent S(1)Dy3Cr tetrahedra, corners with two equivalent S(5)Dy5 trigonal bipyramids, corners with two equivalent S(6)Dy5 trigonal bipyramids, edges with two equivalent S(4)Dy3Cr2 square pyramids,  an edgeedge with one S(1)Dy3Cr tetrahedra,  an edgeedge with one S(5)Dy5 trigonal bipyramid, and edges with two equivalent S(3)Dy4Cr trigonal bipyramids. In the fifth S site, S(5) 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 two equivalent S(4)Dy3Cr2 square pyramids, corners with four equivalent S(1)Dy3Cr tetrahedra, corners with two equivalent S(3)Dy4Cr trigonal bipyramids, corners with two equivalent S(6)Dy5 trigonal bipyramids,  an edgeedge with one S(4)Dy3Cr2 square pyramid,  an edgeedge with one S(1)Dy3Cr tetrahedra, edges with two equivalent S(2)Dy4 tetrahedra, edges with two equivalent S(5)Dy5 trigonal bipyramids, and edges with three equivalent S(6)Dy5 trigonal bipyramids. In the sixth S site, S(6) 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 two equivalent S(4)Dy3Cr2 square pyramids, corners with four equivalent S(2)Dy4 tetrahedra, corners with two equivalent S(3)Dy4Cr trigonal bipyramids, corners with two equivalent S(5)Dy5 trigonal bipyramids,  an edgeedge with one S(2)Dy4 tetrahedra, edges with two equivalent S(1)Dy3Cr tetrahedra,  an edgeedge with one S(3)Dy4Cr trigonal bipyramid, edges with two equivalent S(6)Dy5 trigonal bipyramids, and edges with three equivalent S(5)Dy5 trigonal bipyramids. In the seventh S site, S(7) is bonded in a distorted rectangular see-saw-like geometry to one Dy(1), two equivalent Dy(4), and two equivalent Cr(1) atoms. is represented by the CIF file [CIF]
data_Dy4CrS7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.811
_cell_length_b   6.524
_cell_length_c   11.341
_cell_angle_alpha   104.894
_cell_angle_beta   90.000
_cell_angle_gamma   73.018
_symmetry_Int_Tables_number   1
_cell_volume   259.718
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Dy  Dy0  1  0.693  0.613  0.209  1.0
  Dy  Dy1  1  0.306  0.388  0.801  1.0
  Dy  Dy2  1  0.999  0.002  0.008  1.0
  Dy  Dy3  1  0.112  0.776  0.563  1.0
  Cr  Cr4  1  0.885  0.230  0.425  1.0
  S  S5  1  0.031  0.939  0.233  1.0
  S  S6  1  0.963  0.074  0.784  1.0
  S  S7  1  0.747  0.505  0.633  1.0
  S  S8  1  0.274  0.451  0.353  1.0
  S  S9  1  0.336  0.327  0.053  1.0
  S  S10  1  0.660  0.680  0.948  1.0
  S  S11  1  0.493  0.014  0.490  1.0
[/CIF]
.
The crystal structure described by Dy4CrS7 crystallizes in the monoclinic Cm space group. There are four inequivalent Dy sites. In the first Dy site, Dy(1) is bonded in a 8-coordinate geometry to one S(6), one S(7), two equivalent S(1), two equivalent S(4), and two equivalent S(5) atoms. In the second Dy site, Dy(2) is bonded in a 7-coordinate geometry to one S(5), two equivalent S(2), two equivalent S(3), and two equivalent S(6) atoms. In the third Dy site, Dy(3) is bonded to one S(1), one S(2), two equivalent S(5), and two equivalent S(6) atoms to form DyS6 octahedra that share  a cornercorner with one Dy(4)S6 octahedra,  a cornercorner with one Cr(1)S6 octahedra, and edges with two equivalent Dy(3)S6 octahedra. The corner-sharing octahedral tilt angles range from 51-54°. In the fourth Dy site, Dy(4) is bonded to one S(2), one S(4), two equivalent S(3), and two equivalent S(7) atoms to form DyS6 octahedra that share  a cornercorner with one Dy(3)S6 octahedra, corners with two equivalent Cr(1)S6 octahedra, edges with two equivalent Dy(4)S6 octahedra, and edges with three equivalent Cr(1)S6 octahedra. The corner-sharing octahedral tilt angles range from 3-51°. Cr(1) is bonded to one S(1), one S(3), two equivalent S(4), and two equivalent S(7) atoms to form CrS6 octahedra that share  a cornercorner with one Dy(3)S6 octahedra, corners with two equivalent Dy(4)S6 octahedra, edges with two equivalent Cr(1)S6 octahedra, and edges with three equivalent Dy(4)S6 octahedra. The corner-sharing octahedral tilt angles range from 3-54°. There are seven inequivalent S sites. In the first S site, S(1) is bonded to one Dy(3), two equivalent Dy(1), and one Cr(1) atom to form distorted SDy3Cr tetrahedra that share corners with four equivalent S(4)Dy3Cr2 square pyramids,  a cornercorner with one S(2)Dy4 tetrahedra, corners with two equivalent S(1)Dy3Cr tetrahedra,  a cornercorner with one S(3)Dy4Cr trigonal bipyramid, corners with four equivalent S(5)Dy5 trigonal bipyramids,  an edgeedge with one S(4)Dy3Cr2 square pyramid,  an edgeedge with one S(5)Dy5 trigonal bipyramid, and edges with two equivalent S(6)Dy5 trigonal bipyramids. In the second S site, S(2) 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(4)Dy3Cr2 square pyramid,  a cornercorner with one S(1)Dy3Cr tetrahedra, corners with two equivalent S(2)Dy4 tetrahedra, corners with four equivalent S(3)Dy4Cr trigonal bipyramids, corners with four equivalent S(6)Dy5 trigonal bipyramids,  an edgeedge with one S(3)Dy4Cr trigonal bipyramid,  an edgeedge with one S(6)Dy5 trigonal bipyramid, and edges with two equivalent S(5)Dy5 trigonal bipyramids. In the third S site, S(3) is bonded to two equivalent Dy(2), two equivalent Dy(4), and one Cr(1) atom to form distorted SDy4Cr trigonal bipyramids that share  a cornercorner with one S(1)Dy3Cr tetrahedra, corners with four equivalent S(2)Dy4 tetrahedra, corners with two equivalent S(5)Dy5 trigonal bipyramids, corners with two equivalent S(6)Dy5 trigonal bipyramids, edges with two equivalent S(4)Dy3Cr2 square pyramids,  an edgeedge with one S(2)Dy4 tetrahedra,  an edgeedge with one S(6)Dy5 trigonal bipyramid, and edges with two equivalent S(3)Dy4Cr trigonal bipyramids. In the fourth S site, S(4) is bonded to one Dy(4), two equivalent Dy(1), and two equivalent Cr(1) atoms to form SDy3Cr2 square pyramids that share  a cornercorner with one S(2)Dy4 tetrahedra, corners with four equivalent S(1)Dy3Cr tetrahedra, corners with two equivalent S(5)Dy5 trigonal bipyramids, corners with two equivalent S(6)Dy5 trigonal bipyramids, edges with two equivalent S(4)Dy3Cr2 square pyramids,  an edgeedge with one S(1)Dy3Cr tetrahedra,  an edgeedge with one S(5)Dy5 trigonal bipyramid, and edges with two equivalent S(3)Dy4Cr trigonal bipyramids. In the fifth S site, S(5) 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 two equivalent S(4)Dy3Cr2 square pyramids, corners with four equivalent S(1)Dy3Cr tetrahedra, corners with two equivalent S(3)Dy4Cr trigonal bipyramids, corners with two equivalent S(6)Dy5 trigonal bipyramids,  an edgeedge with one S(4)Dy3Cr2 square pyramid,  an edgeedge with one S(1)Dy3Cr tetrahedra, edges with two equivalent S(2)Dy4 tetrahedra, edges with two equivalent S(5)Dy5 trigonal bipyramids, and edges with three equivalent S(6)Dy5 trigonal bipyramids. In the sixth S site, S(6) 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 two equivalent S(4)Dy3Cr2 square pyramids, corners with four equivalent S(2)Dy4 tetrahedra, corners with two equivalent S(3)Dy4Cr trigonal bipyramids, corners with two equivalent S(5)Dy5 trigonal bipyramids,  an edgeedge with one S(2)Dy4 tetrahedra, edges with two equivalent S(1)Dy3Cr tetrahedra,  an edgeedge with one S(3)Dy4Cr trigonal bipyramid, edges with two equivalent S(6)Dy5 trigonal bipyramids, and edges with three equivalent S(5)Dy5 trigonal bipyramids. In the seventh S site, S(7) is bonded in a distorted rectangular see-saw-like geometry to one Dy(1), two equivalent Dy(4), and two equivalent Cr(1) atoms. is represented by the CIF file [CIF]
data_Dy4CrS7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.811
_cell_length_b   6.524
_cell_length_c   11.341
_cell_angle_alpha   104.894
_cell_angle_beta   90.000
_cell_angle_gamma   73.018
_symmetry_Int_Tables_number   1
_cell_volume   259.718
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Dy  Dy0  1  0.693  0.613  0.209  1.0
  Dy  Dy1  1  0.306  0.388  0.801  1.0
  Dy  Dy2  1  0.999  0.002  0.008  1.0
  Dy  Dy3  1  0.112  0.776  0.563  1.0
  Cr  Cr4  1  0.885  0.230  0.425  1.0
  S  S5  1  0.031  0.939  0.233  1.0
  S  S6  1  0.963  0.074  0.784  1.0
  S  S7  1  0.747  0.505  0.633  1.0
  S  S8  1  0.274  0.451  0.353  1.0
  S  S9  1  0.336  0.327  0.053  1.0
  S  S10  1  0.660  0.680  0.948  1.0
  S  S11  1  0.493  0.014  0.490  1.0
[/CIF]
.