The material structure described by Yb11(Sm2S11)2 crystallizes in the monoclinic C2/m space group. There are six inequivalent Yb sites. In the first Yb site, Yb(1) is bonded in a 6-coordinate geometry to one S(9), two equivalent S(8), and three equivalent S(11) atoms. In the second Yb site, Yb(2) is bonded in a 6-coordinate geometry to one S(4), one S(7), two equivalent S(1), and two equivalent S(10) atoms. In the third Yb site, Yb(3) is bonded to one S(3), one S(6), two equivalent S(5), and two equivalent S(9) atoms to form distorted YbS6 octahedra that share  a cornercorner with one S(7)Yb3Sm2S octahedra, corners with three equivalent Yb(4)S6 octahedra, and edges with two equivalent Yb(3)S6 octahedra. The corner-sharing octahedral tilt angles range from 28-70°. In the fourth Yb site, Yb(4) is bonded to one S(11), two equivalent S(2), and three equivalent S(3) atoms to form a mixture of corner and edge-sharing YbS6 octahedra. The corner-sharing octahedral tilt angles range from 57-70°. In the fifth Yb site, Yb(5) is bonded in a 5-coordinate geometry to one S(10), one S(5), two equivalent S(4), and two equivalent S(6) atoms. In the sixth Yb site, Yb(6) is bonded to two equivalent S(10) and four equivalent S(7) atoms to form YbS6 octahedra that share corners with four equivalent S(6)Yb3Sm2S octahedra and edges with two equivalent Yb(6)S6 octahedra. The corner-sharing octahedral tilt angles are 66°. There are two inequivalent Sm sites. In the first Sm site, Sm(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 Sm site, Sm(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 Yb(2), one Sm(1), and two equivalent Sm(2) atoms to form distorted SYb2Sm3 trigonal bipyramids that share corners with two equivalent S(6)Yb3Sm2S octahedra,  a cornercorner with one S(9)Yb3Sm tetrahedra, corners with two equivalent S(10)Yb4 tetrahedra, edges with two equivalent S(7)Yb3Sm2S octahedra,  an edgeedge with one S(10)Yb4 tetrahedra, edges with two equivalent S(4)Yb3Sm tetrahedra, edges with two equivalent S(1)Yb2Sm3 trigonal bipyramids, and edges with two equivalent S(8)Yb2Sm3 trigonal bipyramids. The corner-sharing octahedral tilt angles are 58°. In the second S site, S(2) is bonded in a 5-coordinate geometry to two equivalent Yb(4), two equivalent Sm(2), and one S(5) atom. In the third S site, S(3) is bonded to one Yb(3) and three equivalent Yb(4) atoms to form SYb4 tetrahedra that share  a cornercorner with one S(6)Yb3Sm2S octahedra, corners with two equivalent S(9)Yb3Sm tetrahedra, corners with two equivalent S(3)Yb4 tetrahedra, corners with three equivalent S(11)Yb4 tetrahedra, and edges with two equivalent S(3)Yb4 tetrahedra. The corner-sharing octahedral tilt angles are 10°. In the fourth S site, S(4) is bonded to one Yb(2), two equivalent Yb(5), and one Sm(2) atom to form distorted SYb3Sm tetrahedra that share  a cornercorner with one S(7)Yb3Sm2S octahedra, corners with two equivalent S(6)Yb3Sm2S octahedra, corners with two equivalent S(4)Yb3Sm tetrahedra, corners with four equivalent S(10)Yb4 tetrahedra,  a cornercorner with one S(8)Yb2Sm3 trigonal bipyramid,  an edgeedge with one S(6)Yb3Sm2S octahedra, and edges with two equivalent S(1)Yb2Sm3 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 22-35°. In the fifth S site, S(5) is bonded in a 6-coordinate geometry to one Yb(5), two equivalent Yb(3), two equivalent Sm(2), and one S(2) atom. In the sixth S site, S(6) is bonded to one Yb(3), two equivalent Yb(5), two equivalent Sm(1), and one S(7) atom to form distorted SYb3Sm2S octahedra that share corners with two equivalent Yb(6)S6 octahedra, corners with two equivalent S(7)Yb3Sm2S octahedra,  a cornercorner with one S(3)Yb4 tetrahedra, corners with two equivalent S(4)Yb3Sm tetrahedra, corners with two equivalent S(10)Yb4 tetrahedra, corners with two equivalent S(1)Yb2Sm3 trigonal bipyramids, corners with two equivalent S(8)Yb2Sm3 trigonal bipyramids,  an edgeedge with one S(7)Yb3Sm2S octahedra, edges with two equivalent S(6)Yb3Sm2S octahedra,  an edgeedge with one S(4)Yb3Sm tetrahedra, edges with two equivalent S(9)Yb3Sm tetrahedra, and  an edgeedge with one S(8)Yb2Sm3 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 66-81°. In the seventh S site, S(7) is bonded to one Yb(2), two equivalent Yb(6), two equivalent Sm(1), and one S(6) atom to form distorted SYb3Sm2S octahedra that share  a cornercorner with one Yb(3)S6 octahedra, corners with two equivalent S(6)Yb3Sm2S octahedra, corners with two equivalent S(7)Yb3Sm2S octahedra,  a cornercorner with one S(4)Yb3Sm tetrahedra, corners with two equivalent S(9)Yb3Sm tetrahedra, corners with two equivalent S(10)Yb4 tetrahedra, corners with two equivalent S(8)Yb2Sm3 trigonal bipyramids,  an edgeedge with one S(6)Yb3Sm2S octahedra, edges with three equivalent S(7)Yb3Sm2S octahedra, edges with two equivalent S(10)Yb4 tetrahedra,  an edgeedge with one S(8)Yb2Sm3 trigonal bipyramid, and edges with two equivalent S(1)Yb2Sm3 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 0-81°. In the eighth S site, S(8) is bonded to two equivalent Yb(1), one Sm(2), and two equivalent Sm(1) atoms to form distorted SYb2Sm3 trigonal bipyramids that share corners with two equivalent S(6)Yb3Sm2S octahedra, corners with two equivalent S(7)Yb3Sm2S octahedra,  a cornercorner with one S(4)Yb3Sm tetrahedra, corners with four equivalent S(11)Yb4 tetrahedra,  an edgeedge with one S(6)Yb3Sm2S octahedra,  an edgeedge with one S(7)Yb3Sm2S octahedra,  an edgeedge with one S(11)Yb4 tetrahedra, edges with two equivalent S(9)Yb3Sm tetrahedra, edges with two equivalent S(1)Yb2Sm3 trigonal bipyramids, and edges with two equivalent S(8)Yb2Sm3 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 20-21°. In the ninth S site, S(9) is bonded to one Yb(1), two equivalent Yb(3), and one Sm(1) atom to form SYb3Sm tetrahedra that share corners with two equivalent S(7)Yb3Sm2S octahedra, corners with two equivalent S(9)Yb3Sm tetrahedra, corners with two equivalent S(3)Yb4 tetrahedra, corners with three equivalent S(11)Yb4 tetrahedra,  a cornercorner with one S(1)Yb2Sm3 trigonal bipyramid, edges with two equivalent S(6)Yb3Sm2S octahedra, and edges with two equivalent S(8)Yb2Sm3 trigonal bipyramids. The corner-sharing octahedral tilt angles are 58°. In the tenth S site, S(10) is bonded to one Yb(5), one Yb(6), and two equivalent Yb(2) atoms to form SYb4 tetrahedra that share corners with two equivalent S(6)Yb3Sm2S octahedra, corners with two equivalent S(7)Yb3Sm2S octahedra, corners with three equivalent S(10)Yb4 tetrahedra, corners with four equivalent S(4)Yb3Sm tetrahedra, corners with two equivalent S(1)Yb2Sm3 trigonal bipyramids, edges with two equivalent S(7)Yb3Sm2S octahedra, and  an edgeedge with one S(1)Yb2Sm3 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 86-87°. In the eleventh S site, S(11) is bonded to one Yb(4) and three equivalent Yb(1) atoms to form SYb4 tetrahedra that share corners with two equivalent S(11)Yb4 tetrahedra, corners with three equivalent S(9)Yb3Sm tetrahedra, corners with three equivalent S(3)Yb4 tetrahedra, corners with four equivalent S(8)Yb2Sm3 trigonal bipyramids, edges with two equivalent S(11)Yb4 tetrahedra, and  an edgeedge with one S(8)Yb2Sm3 trigonal bipyramid. is represented by the CIF file [CIF]
data_Yb11(Sm2S11)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   20.582
_cell_length_b   20.582
_cell_length_c   11.212
_cell_angle_alpha   83.847
_cell_angle_beta   83.847
_cell_angle_gamma   11.384
_symmetry_Int_Tables_number   1
_cell_volume   932.103
_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
  Yb  Yb0  1  0.801  0.801  0.974  1.0
  Yb  Yb1  1  0.199  0.199  0.026  1.0
  Yb  Yb2  1  0.462  0.462  0.704  1.0
  Yb  Yb3  1  0.538  0.538  0.296  1.0
  Yb  Yb4  1  0.663  0.663  0.683  1.0
  Yb  Yb5  1  0.337  0.337  0.317  1.0
  Yb  Yb6  1  0.266  0.266  0.640  1.0
  Yb  Yb7  1  0.734  0.734  0.360  1.0
  Yb  Yb8  1  0.062  0.062  0.659  1.0
  Yb  Yb9  1  0.938  0.938  0.341  1.0
  Yb  Yb10  1  0.000  0.000  0.000  1.0
  Sm  Sm11  1  0.108  0.108  0.001  1.0
  Sm  Sm12  1  0.892  0.892  0.999  1.0
  Sm  Sm13  1  0.375  0.375  0.660  1.0
  Sm  Sm14  1  0.625  0.625  0.340  1.0
  S  S15  1  0.088  0.088  0.249  1.0
  S  S16  1  0.912  0.912  0.751  1.0
  S  S17  1  0.178  0.178  0.350  1.0
  S  S18  1  0.822  0.822  0.650  1.0
  S  S19  1  0.274  0.274  0.396  1.0
  S  S20  1  0.726  0.726  0.604  1.0
  S  S21  1  0.434  0.434  0.495  1.0
  S  S22  1  0.566  0.566  0.505  1.0
  S  S23  1  0.144  0.144  0.508  1.0
  S  S24  1  0.856  0.856  0.492  1.0
  S  S25  1  0.585  0.585  0.835  1.0
  S  S26  1  0.415  0.415  0.165  1.0
  S  S27  1  0.447  0.447  0.005  1.0
  S  S28  1  0.553  0.553  0.995  1.0
  S  S29  1  0.353  0.353  0.911  1.0
  S  S30  1  0.647  0.647  0.089  1.0
  S  S31  1  0.163  0.163  0.834  1.0
  S  S32  1  0.837  0.837  0.166  1.0
  S  S33  1  0.001  0.001  0.762  1.0
  S  S34  1  0.999  0.999  0.238  1.0
  S  S35  1  0.262  0.262  0.892  1.0
  S  S36  1  0.738  0.738  0.108  1.0
[/CIF]
.
The material structure described by Yb11(Sm2S11)2 crystallizes in the monoclinic C2/m space group. There are six inequivalent Yb sites. In the first Yb site, Yb(1) is bonded in a 6-coordinate geometry to one S(9), two equivalent S(8), and three equivalent S(11) atoms. In the second Yb site, Yb(2) is bonded in a 6-coordinate geometry to one S(4), one S(7), two equivalent S(1), and two equivalent S(10) atoms. In the third Yb site, Yb(3) is bonded to one S(3), one S(6), two equivalent S(5), and two equivalent S(9) atoms to form distorted YbS6 octahedra that share  a cornercorner with one S(7)Yb3Sm2S octahedra, corners with three equivalent Yb(4)S6 octahedra, and edges with two equivalent Yb(3)S6 octahedra. The corner-sharing octahedral tilt angles range from 28-70°. In the fourth Yb site, Yb(4) is bonded to one S(11), two equivalent S(2), and three equivalent S(3) atoms to form a mixture of corner and edge-sharing YbS6 octahedra. The corner-sharing octahedral tilt angles range from 57-70°. In the fifth Yb site, Yb(5) is bonded in a 5-coordinate geometry to one S(10), one S(5), two equivalent S(4), and two equivalent S(6) atoms. In the sixth Yb site, Yb(6) is bonded to two equivalent S(10) and four equivalent S(7) atoms to form YbS6 octahedra that share corners with four equivalent S(6)Yb3Sm2S octahedra and edges with two equivalent Yb(6)S6 octahedra. The corner-sharing octahedral tilt angles are 66°. There are two inequivalent Sm sites. In the first Sm site, Sm(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 Sm site, Sm(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 Yb(2), one Sm(1), and two equivalent Sm(2) atoms to form distorted SYb2Sm3 trigonal bipyramids that share corners with two equivalent S(6)Yb3Sm2S octahedra,  a cornercorner with one S(9)Yb3Sm tetrahedra, corners with two equivalent S(10)Yb4 tetrahedra, edges with two equivalent S(7)Yb3Sm2S octahedra,  an edgeedge with one S(10)Yb4 tetrahedra, edges with two equivalent S(4)Yb3Sm tetrahedra, edges with two equivalent S(1)Yb2Sm3 trigonal bipyramids, and edges with two equivalent S(8)Yb2Sm3 trigonal bipyramids. The corner-sharing octahedral tilt angles are 58°. In the second S site, S(2) is bonded in a 5-coordinate geometry to two equivalent Yb(4), two equivalent Sm(2), and one S(5) atom. In the third S site, S(3) is bonded to one Yb(3) and three equivalent Yb(4) atoms to form SYb4 tetrahedra that share  a cornercorner with one S(6)Yb3Sm2S octahedra, corners with two equivalent S(9)Yb3Sm tetrahedra, corners with two equivalent S(3)Yb4 tetrahedra, corners with three equivalent S(11)Yb4 tetrahedra, and edges with two equivalent S(3)Yb4 tetrahedra. The corner-sharing octahedral tilt angles are 10°. In the fourth S site, S(4) is bonded to one Yb(2), two equivalent Yb(5), and one Sm(2) atom to form distorted SYb3Sm tetrahedra that share  a cornercorner with one S(7)Yb3Sm2S octahedra, corners with two equivalent S(6)Yb3Sm2S octahedra, corners with two equivalent S(4)Yb3Sm tetrahedra, corners with four equivalent S(10)Yb4 tetrahedra,  a cornercorner with one S(8)Yb2Sm3 trigonal bipyramid,  an edgeedge with one S(6)Yb3Sm2S octahedra, and edges with two equivalent S(1)Yb2Sm3 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 22-35°. In the fifth S site, S(5) is bonded in a 6-coordinate geometry to one Yb(5), two equivalent Yb(3), two equivalent Sm(2), and one S(2) atom. In the sixth S site, S(6) is bonded to one Yb(3), two equivalent Yb(5), two equivalent Sm(1), and one S(7) atom to form distorted SYb3Sm2S octahedra that share corners with two equivalent Yb(6)S6 octahedra, corners with two equivalent S(7)Yb3Sm2S octahedra,  a cornercorner with one S(3)Yb4 tetrahedra, corners with two equivalent S(4)Yb3Sm tetrahedra, corners with two equivalent S(10)Yb4 tetrahedra, corners with two equivalent S(1)Yb2Sm3 trigonal bipyramids, corners with two equivalent S(8)Yb2Sm3 trigonal bipyramids,  an edgeedge with one S(7)Yb3Sm2S octahedra, edges with two equivalent S(6)Yb3Sm2S octahedra,  an edgeedge with one S(4)Yb3Sm tetrahedra, edges with two equivalent S(9)Yb3Sm tetrahedra, and  an edgeedge with one S(8)Yb2Sm3 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 66-81°. In the seventh S site, S(7) is bonded to one Yb(2), two equivalent Yb(6), two equivalent Sm(1), and one S(6) atom to form distorted SYb3Sm2S octahedra that share  a cornercorner with one Yb(3)S6 octahedra, corners with two equivalent S(6)Yb3Sm2S octahedra, corners with two equivalent S(7)Yb3Sm2S octahedra,  a cornercorner with one S(4)Yb3Sm tetrahedra, corners with two equivalent S(9)Yb3Sm tetrahedra, corners with two equivalent S(10)Yb4 tetrahedra, corners with two equivalent S(8)Yb2Sm3 trigonal bipyramids,  an edgeedge with one S(6)Yb3Sm2S octahedra, edges with three equivalent S(7)Yb3Sm2S octahedra, edges with two equivalent S(10)Yb4 tetrahedra,  an edgeedge with one S(8)Yb2Sm3 trigonal bipyramid, and edges with two equivalent S(1)Yb2Sm3 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 0-81°. In the eighth S site, S(8) is bonded to two equivalent Yb(1), one Sm(2), and two equivalent Sm(1) atoms to form distorted SYb2Sm3 trigonal bipyramids that share corners with two equivalent S(6)Yb3Sm2S octahedra, corners with two equivalent S(7)Yb3Sm2S octahedra,  a cornercorner with one S(4)Yb3Sm tetrahedra, corners with four equivalent S(11)Yb4 tetrahedra,  an edgeedge with one S(6)Yb3Sm2S octahedra,  an edgeedge with one S(7)Yb3Sm2S octahedra,  an edgeedge with one S(11)Yb4 tetrahedra, edges with two equivalent S(9)Yb3Sm tetrahedra, edges with two equivalent S(1)Yb2Sm3 trigonal bipyramids, and edges with two equivalent S(8)Yb2Sm3 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 20-21°. In the ninth S site, S(9) is bonded to one Yb(1), two equivalent Yb(3), and one Sm(1) atom to form SYb3Sm tetrahedra that share corners with two equivalent S(7)Yb3Sm2S octahedra, corners with two equivalent S(9)Yb3Sm tetrahedra, corners with two equivalent S(3)Yb4 tetrahedra, corners with three equivalent S(11)Yb4 tetrahedra,  a cornercorner with one S(1)Yb2Sm3 trigonal bipyramid, edges with two equivalent S(6)Yb3Sm2S octahedra, and edges with two equivalent S(8)Yb2Sm3 trigonal bipyramids. The corner-sharing octahedral tilt angles are 58°. In the tenth S site, S(10) is bonded to one Yb(5), one Yb(6), and two equivalent Yb(2) atoms to form SYb4 tetrahedra that share corners with two equivalent S(6)Yb3Sm2S octahedra, corners with two equivalent S(7)Yb3Sm2S octahedra, corners with three equivalent S(10)Yb4 tetrahedra, corners with four equivalent S(4)Yb3Sm tetrahedra, corners with two equivalent S(1)Yb2Sm3 trigonal bipyramids, edges with two equivalent S(7)Yb3Sm2S octahedra, and  an edgeedge with one S(1)Yb2Sm3 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 86-87°. In the eleventh S site, S(11) is bonded to one Yb(4) and three equivalent Yb(1) atoms to form SYb4 tetrahedra that share corners with two equivalent S(11)Yb4 tetrahedra, corners with three equivalent S(9)Yb3Sm tetrahedra, corners with three equivalent S(3)Yb4 tetrahedra, corners with four equivalent S(8)Yb2Sm3 trigonal bipyramids, edges with two equivalent S(11)Yb4 tetrahedra, and  an edgeedge with one S(8)Yb2Sm3 trigonal bipyramid. is represented by the CIF file [CIF]
data_Yb11(Sm2S11)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   20.582
_cell_length_b   20.582
_cell_length_c   11.212
_cell_angle_alpha   83.847
_cell_angle_beta   83.847
_cell_angle_gamma   11.384
_symmetry_Int_Tables_number   1
_cell_volume   932.103
_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
  Yb  Yb0  1  0.801  0.801  0.974  1.0
  Yb  Yb1  1  0.199  0.199  0.026  1.0
  Yb  Yb2  1  0.462  0.462  0.704  1.0
  Yb  Yb3  1  0.538  0.538  0.296  1.0
  Yb  Yb4  1  0.663  0.663  0.683  1.0
  Yb  Yb5  1  0.337  0.337  0.317  1.0
  Yb  Yb6  1  0.266  0.266  0.640  1.0
  Yb  Yb7  1  0.734  0.734  0.360  1.0
  Yb  Yb8  1  0.062  0.062  0.659  1.0
  Yb  Yb9  1  0.938  0.938  0.341  1.0
  Yb  Yb10  1  0.000  0.000  0.000  1.0
  Sm  Sm11  1  0.108  0.108  0.001  1.0
  Sm  Sm12  1  0.892  0.892  0.999  1.0
  Sm  Sm13  1  0.375  0.375  0.660  1.0
  Sm  Sm14  1  0.625  0.625  0.340  1.0
  S  S15  1  0.088  0.088  0.249  1.0
  S  S16  1  0.912  0.912  0.751  1.0
  S  S17  1  0.178  0.178  0.350  1.0
  S  S18  1  0.822  0.822  0.650  1.0
  S  S19  1  0.274  0.274  0.396  1.0
  S  S20  1  0.726  0.726  0.604  1.0
  S  S21  1  0.434  0.434  0.495  1.0
  S  S22  1  0.566  0.566  0.505  1.0
  S  S23  1  0.144  0.144  0.508  1.0
  S  S24  1  0.856  0.856  0.492  1.0
  S  S25  1  0.585  0.585  0.835  1.0
  S  S26  1  0.415  0.415  0.165  1.0
  S  S27  1  0.447  0.447  0.005  1.0
  S  S28  1  0.553  0.553  0.995  1.0
  S  S29  1  0.353  0.353  0.911  1.0
  S  S30  1  0.647  0.647  0.089  1.0
  S  S31  1  0.163  0.163  0.834  1.0
  S  S32  1  0.837  0.837  0.166  1.0
  S  S33  1  0.001  0.001  0.762  1.0
  S  S34  1  0.999  0.999  0.238  1.0
  S  S35  1  0.262  0.262  0.892  1.0
  S  S36  1  0.738  0.738  0.108  1.0
[/CIF]
.