The material described by Tm4CdS7 crystallizes in the monoclinic Cm space group. There are four inequivalent Tm sites. In the first Tm site, Tm(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 Tm site, Tm(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 Tm site, Tm(3) is bonded to one S(5), one S(6), two equivalent S(3), and two equivalent S(4) atoms to form TmS6 octahedra that share  a cornercorner with one Tm(4)S6 octahedra,  a cornercorner with one Cd(1)S6 octahedra, and edges with two equivalent Tm(3)S6 octahedra. The corner-sharing octahedral tilt angles range from 55-56°. In the fourth Tm site, Tm(4) is bonded to one S(2), one S(6), two equivalent S(1), and two equivalent S(7) atoms to form TmS6 octahedra that share  a cornercorner with one Tm(3)S6 octahedra, corners with two equivalent Cd(1)S6 octahedra, edges with two equivalent Tm(4)S6 octahedra, and edges with three equivalent Cd(1)S6 octahedra. The corner-sharing octahedral tilt angles range from 3-55°. Cd(1) is bonded to one S(1), one S(5), two equivalent S(2), and two equivalent S(7) atoms to form CdS6 octahedra that share  a cornercorner with one Tm(3)S6 octahedra, corners with two equivalent Tm(4)S6 octahedra, edges with two equivalent Cd(1)S6 octahedra, and edges with three equivalent Tm(4)S6 octahedra. The corner-sharing octahedral tilt angles range from 3-56°. There are seven inequivalent S sites. In the first S site, S(1) is bonded to two equivalent Tm(2), two equivalent Tm(4), and one Cd(1) atom to form STm4Cd trigonal bipyramids that share  a cornercorner with one S(5)Tm3Cd tetrahedra, corners with four equivalent S(6)Tm4 tetrahedra, corners with two equivalent S(3)Tm5 trigonal bipyramids, corners with two equivalent S(4)Tm5 trigonal bipyramids,  an edgeedge with one S(6)Tm4 tetrahedra,  an edgeedge with one S(4)Tm5 trigonal bipyramid, edges with two equivalent S(2)Tm3Cd2 trigonal bipyramids, and edges with two equivalent S(1)Tm4Cd trigonal bipyramids. In the second S site, S(2) is bonded to one Tm(4), two equivalent Tm(1), and two equivalent Cd(1) atoms to form STm3Cd2 trigonal bipyramids that share  a cornercorner with one S(6)Tm4 tetrahedra, corners with four equivalent S(5)Tm3Cd tetrahedra, corners with two equivalent S(3)Tm5 trigonal bipyramids, corners with two equivalent S(4)Tm5 trigonal bipyramids,  an edgeedge with one S(5)Tm3Cd tetrahedra,  an edgeedge with one S(3)Tm5 trigonal bipyramid, edges with two equivalent S(2)Tm3Cd2 trigonal bipyramids, and edges with two equivalent S(1)Tm4Cd trigonal bipyramids. In the third S site, S(3) is bonded to one Tm(2), two equivalent Tm(1), and two equivalent Tm(3) atoms to form distorted STm5 trigonal bipyramids that share corners with four equivalent S(5)Tm3Cd tetrahedra, corners with two equivalent S(2)Tm3Cd2 trigonal bipyramids, corners with two equivalent S(1)Tm4Cd trigonal bipyramids, corners with two equivalent S(4)Tm5 trigonal bipyramids,  an edgeedge with one S(5)Tm3Cd tetrahedra, edges with two equivalent S(6)Tm4 tetrahedra,  an edgeedge with one S(2)Tm3Cd2 trigonal bipyramid, edges with two equivalent S(3)Tm5 trigonal bipyramids, and edges with three equivalent S(4)Tm5 trigonal bipyramids. In the fourth S site, S(4) is bonded to one Tm(1), two equivalent Tm(2), and two equivalent Tm(3) atoms to form distorted STm5 trigonal bipyramids that share corners with four equivalent S(6)Tm4 tetrahedra, corners with two equivalent S(2)Tm3Cd2 trigonal bipyramids, corners with two equivalent S(1)Tm4Cd trigonal bipyramids, corners with two equivalent S(3)Tm5 trigonal bipyramids,  an edgeedge with one S(6)Tm4 tetrahedra, edges with two equivalent S(5)Tm3Cd tetrahedra,  an edgeedge with one S(1)Tm4Cd trigonal bipyramid, edges with two equivalent S(4)Tm5 trigonal bipyramids, and edges with three equivalent S(3)Tm5 trigonal bipyramids. In the fifth S site, S(5) is bonded to one Tm(3), two equivalent Tm(1), and one Cd(1) atom to form STm3Cd tetrahedra that share  a cornercorner with one S(6)Tm4 tetrahedra, corners with two equivalent S(5)Tm3Cd tetrahedra,  a cornercorner with one S(1)Tm4Cd trigonal bipyramid, corners with four equivalent S(2)Tm3Cd2 trigonal bipyramids, corners with four equivalent S(3)Tm5 trigonal bipyramids,  an edgeedge with one S(2)Tm3Cd2 trigonal bipyramid,  an edgeedge with one S(3)Tm5 trigonal bipyramid, and edges with two equivalent S(4)Tm5 trigonal bipyramids. In the sixth S site, S(6) is bonded to one Tm(3), one Tm(4), and two equivalent Tm(2) atoms to form STm4 tetrahedra that share  a cornercorner with one S(5)Tm3Cd tetrahedra, corners with two equivalent S(6)Tm4 tetrahedra,  a cornercorner with one S(2)Tm3Cd2 trigonal bipyramid, corners with four equivalent S(1)Tm4Cd trigonal bipyramids, corners with four equivalent S(4)Tm5 trigonal bipyramids,  an edgeedge with one S(1)Tm4Cd trigonal bipyramid,  an edgeedge with one S(4)Tm5 trigonal bipyramid, and edges with two equivalent S(3)Tm5 trigonal bipyramids. In the seventh S site, S(7) is bonded in a rectangular see-saw-like geometry to two equivalent Tm(4) and two equivalent Cd(1) atoms. is represented by the CIF file [CIF]
data_Tm4CdS7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.582
_cell_length_b   6.582
_cell_length_c   11.485
_cell_angle_alpha   75.736
_cell_angle_beta   75.736
_cell_angle_gamma   33.441
_symmetry_Int_Tables_number   1
_cell_volume   265.007
_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
  Tm  Tm0  1  0.694  0.694  0.198  1.0
  Tm  Tm1  1  0.307  0.307  0.805  1.0
  Tm  Tm2  1  0.000  0.000  0.002  1.0
  Tm  Tm3  1  0.115  0.115  0.572  1.0
  Cd  Cd4  1  0.885  0.885  0.421  1.0
  S  S5  1  0.741  0.741  0.648  1.0
  S  S6  1  0.256  0.256  0.351  1.0
  S  S7  1  0.341  0.341  0.049  1.0
  S  S8  1  0.659  0.659  0.949  1.0
  S  S9  1  0.040  0.040  0.216  1.0
  S  S10  1  0.960  0.960  0.786  1.0
  S  S11  1  0.501  0.501  0.504  1.0
[/CIF]
.
The material described by Tm4CdS7 crystallizes in the monoclinic Cm space group. There are four inequivalent Tm sites. In the first Tm site, Tm(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 Tm site, Tm(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 Tm site, Tm(3) is bonded to one S(5), one S(6), two equivalent S(3), and two equivalent S(4) atoms to form TmS6 octahedra that share  a cornercorner with one Tm(4)S6 octahedra,  a cornercorner with one Cd(1)S6 octahedra, and edges with two equivalent Tm(3)S6 octahedra. The corner-sharing octahedral tilt angles range from 55-56°. In the fourth Tm site, Tm(4) is bonded to one S(2), one S(6), two equivalent S(1), and two equivalent S(7) atoms to form TmS6 octahedra that share  a cornercorner with one Tm(3)S6 octahedra, corners with two equivalent Cd(1)S6 octahedra, edges with two equivalent Tm(4)S6 octahedra, and edges with three equivalent Cd(1)S6 octahedra. The corner-sharing octahedral tilt angles range from 3-55°. Cd(1) is bonded to one S(1), one S(5), two equivalent S(2), and two equivalent S(7) atoms to form CdS6 octahedra that share  a cornercorner with one Tm(3)S6 octahedra, corners with two equivalent Tm(4)S6 octahedra, edges with two equivalent Cd(1)S6 octahedra, and edges with three equivalent Tm(4)S6 octahedra. The corner-sharing octahedral tilt angles range from 3-56°. There are seven inequivalent S sites. In the first S site, S(1) is bonded to two equivalent Tm(2), two equivalent Tm(4), and one Cd(1) atom to form STm4Cd trigonal bipyramids that share  a cornercorner with one S(5)Tm3Cd tetrahedra, corners with four equivalent S(6)Tm4 tetrahedra, corners with two equivalent S(3)Tm5 trigonal bipyramids, corners with two equivalent S(4)Tm5 trigonal bipyramids,  an edgeedge with one S(6)Tm4 tetrahedra,  an edgeedge with one S(4)Tm5 trigonal bipyramid, edges with two equivalent S(2)Tm3Cd2 trigonal bipyramids, and edges with two equivalent S(1)Tm4Cd trigonal bipyramids. In the second S site, S(2) is bonded to one Tm(4), two equivalent Tm(1), and two equivalent Cd(1) atoms to form STm3Cd2 trigonal bipyramids that share  a cornercorner with one S(6)Tm4 tetrahedra, corners with four equivalent S(5)Tm3Cd tetrahedra, corners with two equivalent S(3)Tm5 trigonal bipyramids, corners with two equivalent S(4)Tm5 trigonal bipyramids,  an edgeedge with one S(5)Tm3Cd tetrahedra,  an edgeedge with one S(3)Tm5 trigonal bipyramid, edges with two equivalent S(2)Tm3Cd2 trigonal bipyramids, and edges with two equivalent S(1)Tm4Cd trigonal bipyramids. In the third S site, S(3) is bonded to one Tm(2), two equivalent Tm(1), and two equivalent Tm(3) atoms to form distorted STm5 trigonal bipyramids that share corners with four equivalent S(5)Tm3Cd tetrahedra, corners with two equivalent S(2)Tm3Cd2 trigonal bipyramids, corners with two equivalent S(1)Tm4Cd trigonal bipyramids, corners with two equivalent S(4)Tm5 trigonal bipyramids,  an edgeedge with one S(5)Tm3Cd tetrahedra, edges with two equivalent S(6)Tm4 tetrahedra,  an edgeedge with one S(2)Tm3Cd2 trigonal bipyramid, edges with two equivalent S(3)Tm5 trigonal bipyramids, and edges with three equivalent S(4)Tm5 trigonal bipyramids. In the fourth S site, S(4) is bonded to one Tm(1), two equivalent Tm(2), and two equivalent Tm(3) atoms to form distorted STm5 trigonal bipyramids that share corners with four equivalent S(6)Tm4 tetrahedra, corners with two equivalent S(2)Tm3Cd2 trigonal bipyramids, corners with two equivalent S(1)Tm4Cd trigonal bipyramids, corners with two equivalent S(3)Tm5 trigonal bipyramids,  an edgeedge with one S(6)Tm4 tetrahedra, edges with two equivalent S(5)Tm3Cd tetrahedra,  an edgeedge with one S(1)Tm4Cd trigonal bipyramid, edges with two equivalent S(4)Tm5 trigonal bipyramids, and edges with three equivalent S(3)Tm5 trigonal bipyramids. In the fifth S site, S(5) is bonded to one Tm(3), two equivalent Tm(1), and one Cd(1) atom to form STm3Cd tetrahedra that share  a cornercorner with one S(6)Tm4 tetrahedra, corners with two equivalent S(5)Tm3Cd tetrahedra,  a cornercorner with one S(1)Tm4Cd trigonal bipyramid, corners with four equivalent S(2)Tm3Cd2 trigonal bipyramids, corners with four equivalent S(3)Tm5 trigonal bipyramids,  an edgeedge with one S(2)Tm3Cd2 trigonal bipyramid,  an edgeedge with one S(3)Tm5 trigonal bipyramid, and edges with two equivalent S(4)Tm5 trigonal bipyramids. In the sixth S site, S(6) is bonded to one Tm(3), one Tm(4), and two equivalent Tm(2) atoms to form STm4 tetrahedra that share  a cornercorner with one S(5)Tm3Cd tetrahedra, corners with two equivalent S(6)Tm4 tetrahedra,  a cornercorner with one S(2)Tm3Cd2 trigonal bipyramid, corners with four equivalent S(1)Tm4Cd trigonal bipyramids, corners with four equivalent S(4)Tm5 trigonal bipyramids,  an edgeedge with one S(1)Tm4Cd trigonal bipyramid,  an edgeedge with one S(4)Tm5 trigonal bipyramid, and edges with two equivalent S(3)Tm5 trigonal bipyramids. In the seventh S site, S(7) is bonded in a rectangular see-saw-like geometry to two equivalent Tm(4) and two equivalent Cd(1) atoms. is represented by the CIF file [CIF]
data_Tm4CdS7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.582
_cell_length_b   6.582
_cell_length_c   11.485
_cell_angle_alpha   75.736
_cell_angle_beta   75.736
_cell_angle_gamma   33.441
_symmetry_Int_Tables_number   1
_cell_volume   265.007
_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
  Tm  Tm0  1  0.694  0.694  0.198  1.0
  Tm  Tm1  1  0.307  0.307  0.805  1.0
  Tm  Tm2  1  0.000  0.000  0.002  1.0
  Tm  Tm3  1  0.115  0.115  0.572  1.0
  Cd  Cd4  1  0.885  0.885  0.421  1.0
  S  S5  1  0.741  0.741  0.648  1.0
  S  S6  1  0.256  0.256  0.351  1.0
  S  S7  1  0.341  0.341  0.049  1.0
  S  S8  1  0.659  0.659  0.949  1.0
  S  S9  1  0.040  0.040  0.216  1.0
  S  S10  1  0.960  0.960  0.786  1.0
  S  S11  1  0.501  0.501  0.504  1.0
[/CIF]
.