The crystal structure described by Y6Mn11S20 crystallizes in the monoclinic C2/m space group. There are three inequivalent Y sites. In the first Y site, Y(1) is bonded in a 8-coordinate geometry to one S(2), one S(6), three equivalent S(1), and three equivalent S(5) atoms. In the second Y site, Y(2) is bonded in a 8-coordinate geometry to one S(1), one S(4), three equivalent S(2), and three equivalent S(3) atoms. In the third Y site, Y(3) is bonded in a 8-coordinate geometry to one S(2), three equivalent S(3), and four equivalent S(4) atoms. There are six inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a distorted square co-planar geometry to one S(5), one S(6), one S(7), and one S(8) atom. In the second Mn site, Mn(2) is bonded in a distorted rectangular see-saw-like geometry to one S(1), one S(5), one S(6), and one S(7) atom. In the third Mn site, Mn(3) is bonded in a distorted square co-planar geometry to one S(6), one S(7), one S(8), and one S(9) atom. In the fourth Mn site, Mn(4) is bonded in a distorted square co-planar geometry to one S(10), one S(7), one S(8), and one S(9) atom. In the fifth Mn site, Mn(5) is bonded in a distorted square co-planar geometry to two equivalent S(10) and two equivalent S(9) atoms. In the sixth Mn site, Mn(6) is bonded in a distorted square co-planar geometry to one S(8), one S(9), and two equivalent S(10) atoms. There are ten inequivalent S sites. In the first S site, S(1) is bonded to one Y(2), three equivalent Y(1), and one Mn(2) atom to form distorted SY4Mn trigonal bipyramids that share  a cornercorner with one S(4)Y5 trigonal bipyramid, corners with six equivalent S(1)Y4Mn trigonal bipyramids, and edges with three equivalent S(2)Y5 trigonal bipyramids. In the second S site, S(2) is bonded to one Y(1), one Y(3), and three equivalent Y(2) atoms to form distorted SY5 trigonal bipyramids that share  a cornercorner with one S(4)Y5 trigonal bipyramid, corners with six equivalent S(2)Y5 trigonal bipyramids, edges with three equivalent S(1)Y4Mn trigonal bipyramids, and edges with three equivalent S(4)Y5 trigonal bipyramids. In the third S site, S(3) is bonded in a distorted linear geometry to three equivalent Y(2) and three equivalent Y(3) atoms. In the fourth S site, S(4) is bonded to one Y(2) and four equivalent Y(3) atoms to form SY5 trigonal bipyramids that share  a cornercorner with one S(1)Y4Mn trigonal bipyramid,  a cornercorner with one S(2)Y5 trigonal bipyramid, corners with six equivalent S(4)Y5 trigonal bipyramids, edges with three equivalent S(2)Y5 trigonal bipyramids, and edges with three equivalent S(4)Y5 trigonal bipyramids. In the fifth S site, S(5) is bonded in a 3-coordinate geometry to three equivalent Y(1), one Mn(1), and one Mn(2) atom. In the sixth S site, S(6) is bonded in a distorted square co-planar geometry to one Y(1), one Mn(1), one Mn(2), and one Mn(3) atom. In the seventh S site, S(7) is bonded in a distorted square co-planar geometry to one Mn(1), one Mn(2), one Mn(3), and one Mn(4) atom. In the eighth S site, S(8) is bonded in a distorted square co-planar geometry to one Mn(1), one Mn(3), one Mn(4), and one Mn(6) atom. In the ninth S site, S(9) is bonded in a distorted square co-planar geometry to one Mn(3), one Mn(4), one Mn(5), and one Mn(6) atom. In the tenth S site, S(10) is bonded in a distorted square co-planar geometry to one Mn(4), one Mn(5), and two equivalent Mn(6) atoms. is represented by the CIF file [CIF]
data_Y6Mn11S20
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.732
_cell_length_b   4.732
_cell_length_c   66.891
_cell_angle_alpha   45.720
_cell_angle_beta   45.720
_cell_angle_gamma   70.856
_symmetry_Int_Tables_number   1
_cell_volume   729.750
_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
  Y  Y0  1  0.096  0.096  0.989  1.0
  Y  Y1  1  0.121  0.121  0.080  1.0
  Y  Y2  1  0.977  0.977  0.156  1.0
  Y  Y3  1  0.023  0.023  0.244  1.0
  Y  Y4  1  0.879  0.879  0.320  1.0
  Y  Y5  1  0.904  0.904  0.411  1.0
  Mn  Mn6  1  0.906  0.906  0.514  1.0
  Mn  Mn7  1  0.855  0.855  0.469  1.0
  Mn  Mn8  1  0.929  0.929  0.560  1.0
  Mn  Mn9  1  0.952  0.952  0.607  1.0
  Mn  Mn10  1  0.000  0.000  0.700  1.0
  Mn  Mn11  1  0.979  0.979  0.653  1.0
  Mn  Mn12  1  0.021  0.021  0.747  1.0
  Mn  Mn13  1  0.048  0.048  0.793  1.0
  Mn  Mn14  1  0.071  0.071  0.840  1.0
  Mn  Mn15  1  0.145  0.145  0.931  1.0
  Mn  Mn16  1  0.094  0.094  0.886  1.0
  S  S17  1  0.637  0.637  0.004  1.0
  S  S18  1  0.569  0.569  0.068  1.0
  S  S19  1  0.552  0.552  0.117  1.0
  S  S20  1  0.535  0.535  0.168  1.0
  S  S21  1  0.465  0.465  0.232  1.0
  S  S22  1  0.448  0.448  0.283  1.0
  S  S23  1  0.431  0.431  0.332  1.0
  S  S24  1  0.363  0.363  0.396  1.0
  S  S25  1  0.327  0.327  0.446  1.0
  S  S26  1  0.386  0.386  0.490  1.0
  S  S27  1  0.409  0.409  0.538  1.0
  S  S28  1  0.441  0.441  0.584  1.0
  S  S29  1  0.466  0.466  0.630  1.0
  S  S30  1  0.487  0.487  0.677  1.0
  S  S31  1  0.513  0.513  0.723  1.0
  S  S32  1  0.534  0.534  0.770  1.0
  S  S33  1  0.559  0.559  0.816  1.0
  S  S34  1  0.591  0.591  0.862  1.0
  S  S35  1  0.614  0.614  0.910  1.0
  S  S36  1  0.673  0.673  0.954  1.0
[/CIF]
.
The crystal structure described by Y6Mn11S20 crystallizes in the monoclinic C2/m space group. There are three inequivalent Y sites. In the first Y site, Y(1) is bonded in a 8-coordinate geometry to one S(2), one S(6), three equivalent S(1), and three equivalent S(5) atoms. In the second Y site, Y(2) is bonded in a 8-coordinate geometry to one S(1), one S(4), three equivalent S(2), and three equivalent S(3) atoms. In the third Y site, Y(3) is bonded in a 8-coordinate geometry to one S(2), three equivalent S(3), and four equivalent S(4) atoms. There are six inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a distorted square co-planar geometry to one S(5), one S(6), one S(7), and one S(8) atom. In the second Mn site, Mn(2) is bonded in a distorted rectangular see-saw-like geometry to one S(1), one S(5), one S(6), and one S(7) atom. In the third Mn site, Mn(3) is bonded in a distorted square co-planar geometry to one S(6), one S(7), one S(8), and one S(9) atom. In the fourth Mn site, Mn(4) is bonded in a distorted square co-planar geometry to one S(10), one S(7), one S(8), and one S(9) atom. In the fifth Mn site, Mn(5) is bonded in a distorted square co-planar geometry to two equivalent S(10) and two equivalent S(9) atoms. In the sixth Mn site, Mn(6) is bonded in a distorted square co-planar geometry to one S(8), one S(9), and two equivalent S(10) atoms. There are ten inequivalent S sites. In the first S site, S(1) is bonded to one Y(2), three equivalent Y(1), and one Mn(2) atom to form distorted SY4Mn trigonal bipyramids that share  a cornercorner with one S(4)Y5 trigonal bipyramid, corners with six equivalent S(1)Y4Mn trigonal bipyramids, and edges with three equivalent S(2)Y5 trigonal bipyramids. In the second S site, S(2) is bonded to one Y(1), one Y(3), and three equivalent Y(2) atoms to form distorted SY5 trigonal bipyramids that share  a cornercorner with one S(4)Y5 trigonal bipyramid, corners with six equivalent S(2)Y5 trigonal bipyramids, edges with three equivalent S(1)Y4Mn trigonal bipyramids, and edges with three equivalent S(4)Y5 trigonal bipyramids. In the third S site, S(3) is bonded in a distorted linear geometry to three equivalent Y(2) and three equivalent Y(3) atoms. In the fourth S site, S(4) is bonded to one Y(2) and four equivalent Y(3) atoms to form SY5 trigonal bipyramids that share  a cornercorner with one S(1)Y4Mn trigonal bipyramid,  a cornercorner with one S(2)Y5 trigonal bipyramid, corners with six equivalent S(4)Y5 trigonal bipyramids, edges with three equivalent S(2)Y5 trigonal bipyramids, and edges with three equivalent S(4)Y5 trigonal bipyramids. In the fifth S site, S(5) is bonded in a 3-coordinate geometry to three equivalent Y(1), one Mn(1), and one Mn(2) atom. In the sixth S site, S(6) is bonded in a distorted square co-planar geometry to one Y(1), one Mn(1), one Mn(2), and one Mn(3) atom. In the seventh S site, S(7) is bonded in a distorted square co-planar geometry to one Mn(1), one Mn(2), one Mn(3), and one Mn(4) atom. In the eighth S site, S(8) is bonded in a distorted square co-planar geometry to one Mn(1), one Mn(3), one Mn(4), and one Mn(6) atom. In the ninth S site, S(9) is bonded in a distorted square co-planar geometry to one Mn(3), one Mn(4), one Mn(5), and one Mn(6) atom. In the tenth S site, S(10) is bonded in a distorted square co-planar geometry to one Mn(4), one Mn(5), and two equivalent Mn(6) atoms. is represented by the CIF file [CIF]
data_Y6Mn11S20
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.732
_cell_length_b   4.732
_cell_length_c   66.891
_cell_angle_alpha   45.720
_cell_angle_beta   45.720
_cell_angle_gamma   70.856
_symmetry_Int_Tables_number   1
_cell_volume   729.750
_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
  Y  Y0  1  0.096  0.096  0.989  1.0
  Y  Y1  1  0.121  0.121  0.080  1.0
  Y  Y2  1  0.977  0.977  0.156  1.0
  Y  Y3  1  0.023  0.023  0.244  1.0
  Y  Y4  1  0.879  0.879  0.320  1.0
  Y  Y5  1  0.904  0.904  0.411  1.0
  Mn  Mn6  1  0.906  0.906  0.514  1.0
  Mn  Mn7  1  0.855  0.855  0.469  1.0
  Mn  Mn8  1  0.929  0.929  0.560  1.0
  Mn  Mn9  1  0.952  0.952  0.607  1.0
  Mn  Mn10  1  0.000  0.000  0.700  1.0
  Mn  Mn11  1  0.979  0.979  0.653  1.0
  Mn  Mn12  1  0.021  0.021  0.747  1.0
  Mn  Mn13  1  0.048  0.048  0.793  1.0
  Mn  Mn14  1  0.071  0.071  0.840  1.0
  Mn  Mn15  1  0.145  0.145  0.931  1.0
  Mn  Mn16  1  0.094  0.094  0.886  1.0
  S  S17  1  0.637  0.637  0.004  1.0
  S  S18  1  0.569  0.569  0.068  1.0
  S  S19  1  0.552  0.552  0.117  1.0
  S  S20  1  0.535  0.535  0.168  1.0
  S  S21  1  0.465  0.465  0.232  1.0
  S  S22  1  0.448  0.448  0.283  1.0
  S  S23  1  0.431  0.431  0.332  1.0
  S  S24  1  0.363  0.363  0.396  1.0
  S  S25  1  0.327  0.327  0.446  1.0
  S  S26  1  0.386  0.386  0.490  1.0
  S  S27  1  0.409  0.409  0.538  1.0
  S  S28  1  0.441  0.441  0.584  1.0
  S  S29  1  0.466  0.466  0.630  1.0
  S  S30  1  0.487  0.487  0.677  1.0
  S  S31  1  0.513  0.513  0.723  1.0
  S  S32  1  0.534  0.534  0.770  1.0
  S  S33  1  0.559  0.559  0.816  1.0
  S  S34  1  0.591  0.591  0.862  1.0
  S  S35  1  0.614  0.614  0.910  1.0
  S  S36  1  0.673  0.673  0.954  1.0
[/CIF]
.