The crystal structure described by Ce4(TmS2)11 crystallizes in the monoclinic C2/m space group. There are six inequivalent Tm sites. In the first Tm site, Tm(1) is bonded to one S(2), one S(9), two equivalent S(8), and three equivalent S(11) atoms to form distorted TmS7 pentagonal bipyramids that share  a cornercorner with one Tm(4)S6 octahedra, corners with two equivalent Tm(3)S6 octahedra, edges with two equivalent Tm(4)S6 octahedra, and edges with four equivalent Tm(1)S7 pentagonal bipyramids. The corner-sharing octahedral tilt angles range from 39-50°. In the second Tm site, Tm(2) is bonded to one S(4), one S(7), two equivalent S(1), and two equivalent S(10) atoms to form a mixture of corner and edge-sharing TmS6 octahedra. The corner-sharing octahedral tilt angles range from 49-59°. In the third Tm site, Tm(3) is bonded to one S(3), one S(6), two equivalent S(5), and two equivalent S(9) atoms to form TmS6 octahedra that share corners with three equivalent Tm(4)S6 octahedra, corners with two equivalent Tm(1)S7 pentagonal bipyramids, edges with two equivalent Tm(3)S6 octahedra, and edges with two equivalent Tm(5)S6 octahedra. The corner-sharing octahedral tilt angles range from 52-62°. In the fourth Tm site, Tm(4) is bonded to one S(11), two equivalent S(2), and three equivalent S(3) atoms to form TmS6 octahedra that share corners with three equivalent Tm(3)S6 octahedra,  a cornercorner with one Tm(1)S7 pentagonal bipyramid, edges with four equivalent Tm(4)S6 octahedra, and edges with two equivalent Tm(1)S7 pentagonal bipyramids. The corner-sharing octahedral tilt angles range from 52-62°. In the fifth Tm site, Tm(5) is bonded to one S(10), one S(5), two equivalent S(4), and two equivalent S(6) atoms to form a mixture of corner and edge-sharing TmS6 octahedra. The corner-sharing octahedral tilt angles range from 49-59°. In the sixth Tm site, Tm(6) is bonded to two equivalent S(10) and four equivalent S(7) atoms to form a mixture of corner and edge-sharing TmS6 octahedra. The corner-sharing octahedral tilt angles are 55°. There are two inequivalent Ce sites. In the first Ce site, Ce(1) is bonded in a 8-coordinate geometry to one S(1), one S(9), two equivalent S(6), two equivalent S(7), and two equivalent S(8) atoms. In the second Ce site, Ce(2) is bonded in a 8-coordinate geometry to one S(4), one S(8), two equivalent S(1), two equivalent S(2), and two equivalent S(5) atoms. There are eleven inequivalent S sites. In the first S site, S(1) is bonded to two equivalent Tm(2), one Ce(1), and two equivalent Ce(2) atoms to form distorted SCe3Tm2 trigonal bipyramids that share corners with two equivalent S(5)Ce2Tm3 square pyramids, corners with two equivalent S(6)Ce2Tm3 square pyramids, corners with two equivalent S(2)Ce2Tm3 trigonal bipyramids,  a cornercorner with one S(9)CeTm3 trigonal pyramid,  an edgeedge with one S(5)Ce2Tm3 square pyramid, edges with two equivalent S(7)Ce2Tm3 square pyramids,  an edgeedge with one S(2)Ce2Tm3 trigonal bipyramid, edges with two equivalent S(1)Ce3Tm2 trigonal bipyramids, and edges with two equivalent S(8)Ce3Tm2 trigonal bipyramids. In the second S site, S(2) is bonded to one Tm(1), two equivalent Tm(4), and two equivalent Ce(2) atoms to form SCe2Tm3 trigonal bipyramids that share corners with two equivalent S(5)Ce2Tm3 square pyramids, corners with two equivalent S(1)Ce3Tm2 trigonal bipyramids,  a cornercorner with one S(9)CeTm3 trigonal pyramid,  a cornercorner with one S(11)Tm4 trigonal pyramid,  an edgeedge with one S(5)Ce2Tm3 square pyramid,  an edgeedge with one S(1)Ce3Tm2 trigonal bipyramid, edges with two equivalent S(2)Ce2Tm3 trigonal bipyramids, edges with two equivalent S(8)Ce3Tm2 trigonal bipyramids, and edges with two equivalent S(11)Tm4 trigonal pyramids. In the third S site, S(3) is bonded in a rectangular see-saw-like geometry to one Tm(3) and three equivalent Tm(4) atoms. In the fourth S site, S(4) is bonded in a 3-coordinate geometry to one Tm(2), two equivalent Tm(5), and one Ce(2) atom. In the fifth S site, S(5) is bonded to one Tm(5), two equivalent Tm(3), and two equivalent Ce(2) atoms to form SCe2Tm3 square pyramids that share corners with two equivalent S(2)Ce2Tm3 trigonal bipyramids, corners with two equivalent S(1)Ce3Tm2 trigonal bipyramids, corners with two equivalent S(8)Ce3Tm2 trigonal bipyramids, corners with two equivalent S(9)CeTm3 trigonal pyramids, edges with two equivalent S(5)Ce2Tm3 square pyramids, edges with two equivalent S(6)Ce2Tm3 square pyramids,  an edgeedge with one S(2)Ce2Tm3 trigonal bipyramid,  an edgeedge with one S(1)Ce3Tm2 trigonal bipyramid, and  an edgeedge with one S(9)CeTm3 trigonal pyramid. In the sixth S site, S(6) is bonded to one Tm(3), two equivalent Tm(5), and two equivalent Ce(1) atoms to form SCe2Tm3 square pyramids that share corners with two equivalent S(7)Ce2Tm3 square pyramids, corners with two equivalent S(1)Ce3Tm2 trigonal bipyramids, corners with two equivalent S(8)Ce3Tm2 trigonal bipyramids,  an edgeedge with one S(7)Ce2Tm3 square pyramid, edges with two equivalent S(5)Ce2Tm3 square pyramids, edges with two equivalent S(6)Ce2Tm3 square pyramids,  an edgeedge with one S(8)Ce3Tm2 trigonal bipyramid, and edges with two equivalent S(9)CeTm3 trigonal pyramids. In the seventh S site, S(7) is bonded to one Tm(2), two equivalent Tm(6), and two equivalent Ce(1) atoms to form SCe2Tm3 square pyramids that share corners with two equivalent S(6)Ce2Tm3 square pyramids, corners with two equivalent S(7)Ce2Tm3 square pyramids, corners with two equivalent S(8)Ce3Tm2 trigonal bipyramids, corners with two equivalent S(9)CeTm3 trigonal pyramids,  an edgeedge with one S(6)Ce2Tm3 square pyramid, edges with three equivalent S(7)Ce2Tm3 square pyramids,  an edgeedge with one S(8)Ce3Tm2 trigonal bipyramid, and edges with two equivalent S(1)Ce3Tm2 trigonal bipyramids. In the eighth S site, S(8) is bonded to two equivalent Tm(1), one Ce(2), and two equivalent Ce(1) atoms to form distorted SCe3Tm2 trigonal bipyramids that share corners with two equivalent S(5)Ce2Tm3 square pyramids, corners with two equivalent S(6)Ce2Tm3 square pyramids, corners with two equivalent S(7)Ce2Tm3 square pyramids, corners with four equivalent S(11)Tm4 trigonal pyramids,  an edgeedge with one S(6)Ce2Tm3 square pyramid,  an edgeedge with one S(7)Ce2Tm3 square pyramid, edges with two equivalent S(2)Ce2Tm3 trigonal bipyramids, edges with two equivalent S(1)Ce3Tm2 trigonal bipyramids, edges with two equivalent S(8)Ce3Tm2 trigonal bipyramids,  an edgeedge with one S(11)Tm4 trigonal pyramid, and edges with two equivalent S(9)CeTm3 trigonal pyramids. In the ninth S site, S(9) is bonded to one Tm(1), two equivalent Tm(3), and one Ce(1) atom to form distorted SCeTm3 trigonal pyramids that share corners with two equivalent S(5)Ce2Tm3 square pyramids, corners with two equivalent S(7)Ce2Tm3 square pyramids,  a cornercorner with one S(2)Ce2Tm3 trigonal bipyramid,  a cornercorner with one S(1)Ce3Tm2 trigonal bipyramid, corners with two equivalent S(9)CeTm3 trigonal pyramids, corners with three equivalent S(11)Tm4 trigonal pyramids,  an edgeedge with one S(5)Ce2Tm3 square pyramid, edges with two equivalent S(6)Ce2Tm3 square pyramids, and edges with two equivalent S(8)Ce3Tm2 trigonal bipyramids. In the tenth S site, S(10) is bonded in a rectangular see-saw-like geometry to one Tm(5), one Tm(6), and two equivalent Tm(2) atoms. In the eleventh S site, S(11) is bonded to one Tm(4) and three equivalent Tm(1) atoms to form distorted STm4 trigonal pyramids that share  a cornercorner with one S(2)Ce2Tm3 trigonal bipyramid, corners with four equivalent S(8)Ce3Tm2 trigonal bipyramids, corners with two equivalent S(11)Tm4 trigonal pyramids, corners with three equivalent S(9)CeTm3 trigonal pyramids,  an edgeedge with one S(8)Ce3Tm2 trigonal bipyramid, edges with two equivalent S(2)Ce2Tm3 trigonal bipyramids, and edges with two equivalent S(11)Tm4 trigonal pyramids. is represented by the CIF file [CIF]
data_Ce4(TmS2)11
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   19.596
_cell_length_b   19.596
_cell_length_c   11.315
_cell_angle_alpha   88.612
_cell_angle_beta   88.612
_cell_angle_gamma   11.515
_symmetry_Int_Tables_number   1
_cell_volume   867.133
_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
  Ce  Ce0  1  0.104  0.104  0.988  1.0
  Ce  Ce1  1  0.896  0.896  0.012  1.0
  Ce  Ce2  1  0.367  0.367  0.653  1.0
  Ce  Ce3  1  0.633  0.633  0.347  1.0
  Tm  Tm4  1  0.798  0.798  0.942  1.0
  Tm  Tm5  1  0.202  0.202  0.058  1.0
  Tm  Tm6  1  0.462  0.462  0.729  1.0
  Tm  Tm7  1  0.538  0.538  0.271  1.0
  Tm  Tm8  1  0.658  0.658  0.698  1.0
  Tm  Tm9  1  0.342  0.342  0.302  1.0
  Tm  Tm10  1  0.264  0.264  0.648  1.0
  Tm  Tm11  1  0.736  0.736  0.352  1.0
  Tm  Tm12  1  0.070  0.070  0.640  1.0
  Tm  Tm13  1  0.930  0.930  0.360  1.0
  Tm  Tm14  1  0.000  0.000  0.000  1.0
  S  S15  1  0.088  0.088  0.248  1.0
  S  S16  1  0.912  0.912  0.752  1.0
  S  S17  1  0.189  0.189  0.308  1.0
  S  S18  1  0.811  0.811  0.692  1.0
  S  S19  1  0.280  0.280  0.410  1.0
  S  S20  1  0.720  0.720  0.590  1.0
  S  S21  1  0.446  0.446  0.505  1.0
  S  S22  1  0.554  0.554  0.495  1.0
  S  S23  1  0.135  0.135  0.546  1.0
  S  S24  1  0.865  0.865  0.454  1.0
  S  S25  1  0.593  0.593  0.789  1.0
  S  S26  1  0.407  0.407  0.211  1.0
  S  S27  1  0.453  0.453  0.968  1.0
  S  S28  1  0.547  0.547  0.032  1.0
  S  S29  1  0.351  0.351  0.909  1.0
  S  S30  1  0.649  0.649  0.091  1.0
  S  S31  1  0.168  0.168  0.849  1.0
  S  S32  1  0.832  0.832  0.151  1.0
  S  S33  1  0.008  0.008  0.760  1.0
  S  S34  1  0.992  0.992  0.240  1.0
  S  S35  1  0.255  0.255  0.881  1.0
  S  S36  1  0.745  0.745  0.119  1.0
[/CIF]
.
The crystal structure described by Ce4(TmS2)11 crystallizes in the monoclinic C2/m space group. There are six inequivalent Tm sites. In the first Tm site, Tm(1) is bonded to one S(2), one S(9), two equivalent S(8), and three equivalent S(11) atoms to form distorted TmS7 pentagonal bipyramids that share  a cornercorner with one Tm(4)S6 octahedra, corners with two equivalent Tm(3)S6 octahedra, edges with two equivalent Tm(4)S6 octahedra, and edges with four equivalent Tm(1)S7 pentagonal bipyramids. The corner-sharing octahedral tilt angles range from 39-50°. In the second Tm site, Tm(2) is bonded to one S(4), one S(7), two equivalent S(1), and two equivalent S(10) atoms to form a mixture of corner and edge-sharing TmS6 octahedra. The corner-sharing octahedral tilt angles range from 49-59°. In the third Tm site, Tm(3) is bonded to one S(3), one S(6), two equivalent S(5), and two equivalent S(9) atoms to form TmS6 octahedra that share corners with three equivalent Tm(4)S6 octahedra, corners with two equivalent Tm(1)S7 pentagonal bipyramids, edges with two equivalent Tm(3)S6 octahedra, and edges with two equivalent Tm(5)S6 octahedra. The corner-sharing octahedral tilt angles range from 52-62°. In the fourth Tm site, Tm(4) is bonded to one S(11), two equivalent S(2), and three equivalent S(3) atoms to form TmS6 octahedra that share corners with three equivalent Tm(3)S6 octahedra,  a cornercorner with one Tm(1)S7 pentagonal bipyramid, edges with four equivalent Tm(4)S6 octahedra, and edges with two equivalent Tm(1)S7 pentagonal bipyramids. The corner-sharing octahedral tilt angles range from 52-62°. In the fifth Tm site, Tm(5) is bonded to one S(10), one S(5), two equivalent S(4), and two equivalent S(6) atoms to form a mixture of corner and edge-sharing TmS6 octahedra. The corner-sharing octahedral tilt angles range from 49-59°. In the sixth Tm site, Tm(6) is bonded to two equivalent S(10) and four equivalent S(7) atoms to form a mixture of corner and edge-sharing TmS6 octahedra. The corner-sharing octahedral tilt angles are 55°. There are two inequivalent Ce sites. In the first Ce site, Ce(1) is bonded in a 8-coordinate geometry to one S(1), one S(9), two equivalent S(6), two equivalent S(7), and two equivalent S(8) atoms. In the second Ce site, Ce(2) is bonded in a 8-coordinate geometry to one S(4), one S(8), two equivalent S(1), two equivalent S(2), and two equivalent S(5) atoms. There are eleven inequivalent S sites. In the first S site, S(1) is bonded to two equivalent Tm(2), one Ce(1), and two equivalent Ce(2) atoms to form distorted SCe3Tm2 trigonal bipyramids that share corners with two equivalent S(5)Ce2Tm3 square pyramids, corners with two equivalent S(6)Ce2Tm3 square pyramids, corners with two equivalent S(2)Ce2Tm3 trigonal bipyramids,  a cornercorner with one S(9)CeTm3 trigonal pyramid,  an edgeedge with one S(5)Ce2Tm3 square pyramid, edges with two equivalent S(7)Ce2Tm3 square pyramids,  an edgeedge with one S(2)Ce2Tm3 trigonal bipyramid, edges with two equivalent S(1)Ce3Tm2 trigonal bipyramids, and edges with two equivalent S(8)Ce3Tm2 trigonal bipyramids. In the second S site, S(2) is bonded to one Tm(1), two equivalent Tm(4), and two equivalent Ce(2) atoms to form SCe2Tm3 trigonal bipyramids that share corners with two equivalent S(5)Ce2Tm3 square pyramids, corners with two equivalent S(1)Ce3Tm2 trigonal bipyramids,  a cornercorner with one S(9)CeTm3 trigonal pyramid,  a cornercorner with one S(11)Tm4 trigonal pyramid,  an edgeedge with one S(5)Ce2Tm3 square pyramid,  an edgeedge with one S(1)Ce3Tm2 trigonal bipyramid, edges with two equivalent S(2)Ce2Tm3 trigonal bipyramids, edges with two equivalent S(8)Ce3Tm2 trigonal bipyramids, and edges with two equivalent S(11)Tm4 trigonal pyramids. In the third S site, S(3) is bonded in a rectangular see-saw-like geometry to one Tm(3) and three equivalent Tm(4) atoms. In the fourth S site, S(4) is bonded in a 3-coordinate geometry to one Tm(2), two equivalent Tm(5), and one Ce(2) atom. In the fifth S site, S(5) is bonded to one Tm(5), two equivalent Tm(3), and two equivalent Ce(2) atoms to form SCe2Tm3 square pyramids that share corners with two equivalent S(2)Ce2Tm3 trigonal bipyramids, corners with two equivalent S(1)Ce3Tm2 trigonal bipyramids, corners with two equivalent S(8)Ce3Tm2 trigonal bipyramids, corners with two equivalent S(9)CeTm3 trigonal pyramids, edges with two equivalent S(5)Ce2Tm3 square pyramids, edges with two equivalent S(6)Ce2Tm3 square pyramids,  an edgeedge with one S(2)Ce2Tm3 trigonal bipyramid,  an edgeedge with one S(1)Ce3Tm2 trigonal bipyramid, and  an edgeedge with one S(9)CeTm3 trigonal pyramid. In the sixth S site, S(6) is bonded to one Tm(3), two equivalent Tm(5), and two equivalent Ce(1) atoms to form SCe2Tm3 square pyramids that share corners with two equivalent S(7)Ce2Tm3 square pyramids, corners with two equivalent S(1)Ce3Tm2 trigonal bipyramids, corners with two equivalent S(8)Ce3Tm2 trigonal bipyramids,  an edgeedge with one S(7)Ce2Tm3 square pyramid, edges with two equivalent S(5)Ce2Tm3 square pyramids, edges with two equivalent S(6)Ce2Tm3 square pyramids,  an edgeedge with one S(8)Ce3Tm2 trigonal bipyramid, and edges with two equivalent S(9)CeTm3 trigonal pyramids. In the seventh S site, S(7) is bonded to one Tm(2), two equivalent Tm(6), and two equivalent Ce(1) atoms to form SCe2Tm3 square pyramids that share corners with two equivalent S(6)Ce2Tm3 square pyramids, corners with two equivalent S(7)Ce2Tm3 square pyramids, corners with two equivalent S(8)Ce3Tm2 trigonal bipyramids, corners with two equivalent S(9)CeTm3 trigonal pyramids,  an edgeedge with one S(6)Ce2Tm3 square pyramid, edges with three equivalent S(7)Ce2Tm3 square pyramids,  an edgeedge with one S(8)Ce3Tm2 trigonal bipyramid, and edges with two equivalent S(1)Ce3Tm2 trigonal bipyramids. In the eighth S site, S(8) is bonded to two equivalent Tm(1), one Ce(2), and two equivalent Ce(1) atoms to form distorted SCe3Tm2 trigonal bipyramids that share corners with two equivalent S(5)Ce2Tm3 square pyramids, corners with two equivalent S(6)Ce2Tm3 square pyramids, corners with two equivalent S(7)Ce2Tm3 square pyramids, corners with four equivalent S(11)Tm4 trigonal pyramids,  an edgeedge with one S(6)Ce2Tm3 square pyramid,  an edgeedge with one S(7)Ce2Tm3 square pyramid, edges with two equivalent S(2)Ce2Tm3 trigonal bipyramids, edges with two equivalent S(1)Ce3Tm2 trigonal bipyramids, edges with two equivalent S(8)Ce3Tm2 trigonal bipyramids,  an edgeedge with one S(11)Tm4 trigonal pyramid, and edges with two equivalent S(9)CeTm3 trigonal pyramids. In the ninth S site, S(9) is bonded to one Tm(1), two equivalent Tm(3), and one Ce(1) atom to form distorted SCeTm3 trigonal pyramids that share corners with two equivalent S(5)Ce2Tm3 square pyramids, corners with two equivalent S(7)Ce2Tm3 square pyramids,  a cornercorner with one S(2)Ce2Tm3 trigonal bipyramid,  a cornercorner with one S(1)Ce3Tm2 trigonal bipyramid, corners with two equivalent S(9)CeTm3 trigonal pyramids, corners with three equivalent S(11)Tm4 trigonal pyramids,  an edgeedge with one S(5)Ce2Tm3 square pyramid, edges with two equivalent S(6)Ce2Tm3 square pyramids, and edges with two equivalent S(8)Ce3Tm2 trigonal bipyramids. In the tenth S site, S(10) is bonded in a rectangular see-saw-like geometry to one Tm(5), one Tm(6), and two equivalent Tm(2) atoms. In the eleventh S site, S(11) is bonded to one Tm(4) and three equivalent Tm(1) atoms to form distorted STm4 trigonal pyramids that share  a cornercorner with one S(2)Ce2Tm3 trigonal bipyramid, corners with four equivalent S(8)Ce3Tm2 trigonal bipyramids, corners with two equivalent S(11)Tm4 trigonal pyramids, corners with three equivalent S(9)CeTm3 trigonal pyramids,  an edgeedge with one S(8)Ce3Tm2 trigonal bipyramid, edges with two equivalent S(2)Ce2Tm3 trigonal bipyramids, and edges with two equivalent S(11)Tm4 trigonal pyramids. is represented by the CIF file [CIF]
data_Ce4(TmS2)11
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   19.596
_cell_length_b   19.596
_cell_length_c   11.315
_cell_angle_alpha   88.612
_cell_angle_beta   88.612
_cell_angle_gamma   11.515
_symmetry_Int_Tables_number   1
_cell_volume   867.133
_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
  Ce  Ce0  1  0.104  0.104  0.988  1.0
  Ce  Ce1  1  0.896  0.896  0.012  1.0
  Ce  Ce2  1  0.367  0.367  0.653  1.0
  Ce  Ce3  1  0.633  0.633  0.347  1.0
  Tm  Tm4  1  0.798  0.798  0.942  1.0
  Tm  Tm5  1  0.202  0.202  0.058  1.0
  Tm  Tm6  1  0.462  0.462  0.729  1.0
  Tm  Tm7  1  0.538  0.538  0.271  1.0
  Tm  Tm8  1  0.658  0.658  0.698  1.0
  Tm  Tm9  1  0.342  0.342  0.302  1.0
  Tm  Tm10  1  0.264  0.264  0.648  1.0
  Tm  Tm11  1  0.736  0.736  0.352  1.0
  Tm  Tm12  1  0.070  0.070  0.640  1.0
  Tm  Tm13  1  0.930  0.930  0.360  1.0
  Tm  Tm14  1  0.000  0.000  0.000  1.0
  S  S15  1  0.088  0.088  0.248  1.0
  S  S16  1  0.912  0.912  0.752  1.0
  S  S17  1  0.189  0.189  0.308  1.0
  S  S18  1  0.811  0.811  0.692  1.0
  S  S19  1  0.280  0.280  0.410  1.0
  S  S20  1  0.720  0.720  0.590  1.0
  S  S21  1  0.446  0.446  0.505  1.0
  S  S22  1  0.554  0.554  0.495  1.0
  S  S23  1  0.135  0.135  0.546  1.0
  S  S24  1  0.865  0.865  0.454  1.0
  S  S25  1  0.593  0.593  0.789  1.0
  S  S26  1  0.407  0.407  0.211  1.0
  S  S27  1  0.453  0.453  0.968  1.0
  S  S28  1  0.547  0.547  0.032  1.0
  S  S29  1  0.351  0.351  0.909  1.0
  S  S30  1  0.649  0.649  0.091  1.0
  S  S31  1  0.168  0.168  0.849  1.0
  S  S32  1  0.832  0.832  0.151  1.0
  S  S33  1  0.008  0.008  0.760  1.0
  S  S34  1  0.992  0.992  0.240  1.0
  S  S35  1  0.255  0.255  0.881  1.0
  S  S36  1  0.745  0.745  0.119  1.0
[/CIF]
.