The crystal structure described by Dy12Si5S28 crystallizes in the triclinic P1 space group. There are twelve inequivalent Dy sites. In the first Dy site, Dy(1) is bonded in a 8-coordinate geometry to one S(1), one S(13), one S(17), one S(18), one S(25), one S(27), one S(6), and one S(8) atom. In the second Dy site, Dy(2) is bonded in a 8-coordinate geometry to one S(14), one S(17), one S(18), one S(2), one S(26), one S(28), one S(5), and one S(7) atom. In the third Dy site, Dy(3) is bonded in a 8-coordinate geometry to one S(1), one S(10), one S(16), one S(19), one S(20), one S(23), one S(28), and one S(8) atom. In the fourth Dy site, Dy(4) is bonded in a 8-coordinate geometry to one S(15), one S(19), one S(2), one S(20), one S(24), one S(27), one S(7), and one S(9) atom. In the fifth Dy site, Dy(5) is bonded in a 8-coordinate geometry to one S(1), one S(10), one S(11), one S(21), one S(22), one S(23), one S(26), and one S(6) atom. In the sixth Dy site, Dy(6) is bonded in a 8-coordinate geometry to one S(12), one S(2), one S(21), one S(22), one S(24), one S(25), one S(5), and one S(9) atom. In the seventh Dy site, Dy(7) is bonded in a 8-coordinate geometry to one S(11), one S(13), one S(19), one S(21), one S(23), one S(24), one S(3), and one S(7) atom. In the eighth Dy site, Dy(8) is bonded in a 8-coordinate geometry to one S(12), one S(14), one S(20), one S(22), one S(23), one S(24), one S(4), and one S(8) atom. In the ninth Dy site, Dy(9) is bonded in a 8-coordinate geometry to one S(10), one S(13), one S(15), one S(17), one S(22), one S(25), one S(26), and one S(3) atom. In the tenth Dy site, Dy(10) is bonded in a 8-coordinate geometry to one S(14), one S(16), one S(18), one S(21), one S(25), one S(26), one S(4), and one S(9) atom. In the eleventh Dy site, Dy(11) is bonded in a 8-coordinate geometry to one S(11), one S(15), one S(17), one S(20), one S(27), one S(28), one S(3), and one S(5) atom. In the twelfth Dy site, Dy(12) is bonded in a 8-coordinate geometry to one S(12), one S(16), one S(18), one S(19), one S(27), one S(28), one S(4), and one S(6) atom. There are five inequivalent Si sites. In the first Si site, Si(1) is bonded in a tetrahedral geometry to one S(1), one S(5), one S(7), and one S(9) atom. In the second Si site, Si(2) is bonded in a tetrahedral geometry to one S(10), one S(2), one S(6), and one S(8) atom. In the third Si site, Si(3) is bonded in a tetrahedral geometry to one S(11), one S(13), one S(15), and one S(4) atom. In the fourth Si site, Si(4) is bonded in a tetrahedral geometry to one S(12), one S(14), one S(16), and one S(3) atom. In the fifth Si site, Si(5) is bonded in an octahedral geometry to one S(17), one S(20), one S(22), one S(24), one S(25), and one S(27) atom. There are twenty-eight inequivalent S sites. In the first S site, S(1) is bonded to one Dy(1), one Dy(3), one Dy(5), and one Si(1) atom to form SDy3Si tetrahedra that share  a cornercorner with one S(25)Dy4Si trigonal bipyramid,  a cornercorner with one S(27)Dy4Si trigonal bipyramid,  a cornercorner with one S(16)Dy3Si trigonal pyramid,  a cornercorner with one S(7)Dy3Si trigonal pyramid,  a cornercorner with one S(18)Dy4 trigonal pyramid, corners with two equivalent S(23)Dy4 trigonal pyramids, and  an edgeedge with one S(6)Dy3Si trigonal pyramid. In the second S site, S(2) is bonded to one Dy(2), one Dy(4), one Dy(6), and one Si(2) atom to form distorted SDy3Si tetrahedra that share  a cornercorner with one S(25)Dy4Si trigonal bipyramid,  a cornercorner with one S(27)Dy4Si trigonal bipyramid, corners with two equivalent S(24)Dy4Si trigonal bipyramids,  a cornercorner with one S(6)Dy3Si trigonal pyramid,  a cornercorner with one S(18)Dy4 trigonal pyramid, and  an edgeedge with one S(7)Dy3Si trigonal pyramid. In the third S site, S(3) is bonded to one Dy(11), one Dy(7), one Dy(9), and one Si(4) atom to form distorted SDy3Si tetrahedra that share  a cornercorner with one S(24)Dy4Si trigonal bipyramid,  a cornercorner with one S(25)Dy4Si trigonal bipyramid,  a cornercorner with one S(27)Dy4Si trigonal bipyramid,  a cornercorner with one S(16)Dy3Si trigonal pyramid,  a cornercorner with one S(7)Dy3Si trigonal pyramid, and  a cornercorner with one S(23)Dy4 trigonal pyramid. In the fourth S site, S(4) is bonded to one Dy(10), one Dy(12), one Dy(8), and one Si(3) atom to form distorted SDy3Si tetrahedra that share  a cornercorner with one S(24)Dy4Si trigonal bipyramid,  a cornercorner with one S(25)Dy4Si trigonal bipyramid,  a cornercorner with one S(27)Dy4Si trigonal bipyramid,  a cornercorner with one S(6)Dy3Si trigonal pyramid,  a cornercorner with one S(23)Dy4 trigonal pyramid, corners with two equivalent S(18)Dy4 trigonal pyramids, and  an edgeedge with one S(16)Dy3Si trigonal pyramid. In the fifth S site, S(5) is bonded in a distorted rectangular see-saw-like geometry to one Dy(11), one Dy(2), one Dy(6), and one Si(1) atom. In the sixth S site, S(6) is bonded to one Dy(1), one Dy(12), one Dy(5), and one Si(2) atom to form distorted SDy3Si trigonal pyramids that share  a cornercorner with one S(2)Dy3Si tetrahedra,  a cornercorner with one S(4)Dy3Si tetrahedra,  a cornercorner with one S(25)Dy4Si trigonal bipyramid,  a cornercorner with one S(16)Dy3Si trigonal pyramid,  a cornercorner with one S(23)Dy4 trigonal pyramid,  an edgeedge with one S(1)Dy3Si tetrahedra,  an edgeedge with one S(27)Dy4Si trigonal bipyramid, and  an edgeedge with one S(18)Dy4 trigonal pyramid. In the seventh S site, S(7) is bonded to one Dy(2), one Dy(4), one Dy(7), and one Si(1) atom to form distorted SDy3Si trigonal pyramids that share  a cornercorner with one S(1)Dy3Si tetrahedra,  a cornercorner with one S(3)Dy3Si tetrahedra,  a cornercorner with one S(27)Dy4Si trigonal bipyramid,  a cornercorner with one S(18)Dy4 trigonal pyramid,  a cornercorner with one S(23)Dy4 trigonal pyramid,  an edgeedge with one S(2)Dy3Si tetrahedra, and  an edgeedge with one S(24)Dy4Si trigonal bipyramid. In the eighth S site, S(8) is bonded in a distorted rectangular see-saw-like geometry to one Dy(1), one Dy(3), one Dy(8), and one Si(2) atom. In the ninth S site, S(9) is bonded in a distorted rectangular see-saw-like geometry to one Dy(10), one Dy(4), one Dy(6), and one Si(1) atom. In the tenth S site, S(10) is bonded in a distorted rectangular see-saw-like geometry to one Dy(3), one Dy(5), one Dy(9), and one Si(2) atom. In the eleventh S site, S(11) is bonded in a distorted rectangular see-saw-like geometry to one Dy(11), one Dy(5), one Dy(7), and one Si(3) atom. In the twelfth S site, S(12) is bonded in a distorted rectangular see-saw-like geometry to one Dy(12), one Dy(6), one Dy(8), and one Si(4) atom. In the thirteenth S site, S(13) is bonded in a distorted rectangular see-saw-like geometry to one Dy(1), one Dy(7), one Dy(9), and one Si(3) atom. In the fourteenth S site, S(14) is bonded in a distorted rectangular see-saw-like geometry to one Dy(10), one Dy(2), one Dy(8), and one Si(4) atom. In the fifteenth S site, S(15) is bonded in a distorted rectangular see-saw-like geometry to one Dy(11), one Dy(4), one Dy(9), and one Si(3) atom. In the sixteenth S site, S(16) is bonded to one Dy(10), one Dy(12), one Dy(3), and one Si(4) atom to form distorted SDy3Si trigonal pyramids that share  a cornercorner with one S(1)Dy3Si tetrahedra,  a cornercorner with one S(3)Dy3Si tetrahedra,  a cornercorner with one S(25)Dy4Si trigonal bipyramid,  a cornercorner with one S(27)Dy4Si trigonal bipyramid,  a cornercorner with one S(6)Dy3Si trigonal pyramid,  a cornercorner with one S(23)Dy4 trigonal pyramid, corners with two equivalent S(18)Dy4 trigonal pyramids, and  an edgeedge with one S(4)Dy3Si tetrahedra. In the seventeenth S site, S(17) is bonded in a 5-coordinate geometry to one Dy(1), one Dy(11), one Dy(2), one Dy(9), and one Si(5) atom. In the eighteenth S site, S(18) is bonded to one Dy(1), one Dy(10), one Dy(12), and one Dy(2) atom to form distorted SDy4 trigonal pyramids that share  a cornercorner with one S(1)Dy3Si tetrahedra,  a cornercorner with one S(2)Dy3Si tetrahedra, corners with two equivalent S(4)Dy3Si tetrahedra,  a cornercorner with one S(7)Dy3Si trigonal pyramid, corners with two equivalent S(16)Dy3Si trigonal pyramids,  an edgeedge with one S(25)Dy4Si trigonal bipyramid,  an edgeedge with one S(27)Dy4Si trigonal bipyramid, and  an edgeedge with one S(6)Dy3Si trigonal pyramid. In the nineteenth S site, S(19) is bonded in a distorted square co-planar geometry to one Dy(12), one Dy(3), one Dy(4), and one Dy(7) atom. In the twentieth S site, S(20) is bonded in a 5-coordinate geometry to one Dy(11), one Dy(3), one Dy(4), one Dy(8), and one Si(5) atom. In the twenty-first S site, S(21) is bonded in a distorted square co-planar geometry to one Dy(10), one Dy(5), one Dy(6), and one Dy(7) atom. In the twenty-second S site, S(22) is bonded in a 5-coordinate geometry to one Dy(5), one Dy(6), one Dy(8), one Dy(9), and one Si(5) atom. In the twenty-third S site, S(23) is bonded to one Dy(3), one Dy(5), one Dy(7), and one Dy(8) atom to form distorted SDy4 trigonal pyramids that share  a cornercorner with one S(3)Dy3Si tetrahedra,  a cornercorner with one S(4)Dy3Si tetrahedra, corners with two equivalent S(1)Dy3Si tetrahedra, corners with two equivalent S(24)Dy4Si trigonal bipyramids,  a cornercorner with one S(16)Dy3Si trigonal pyramid,  a cornercorner with one S(6)Dy3Si trigonal pyramid, and  a cornercorner with one S(7)Dy3Si trigonal pyramid. In the twenty-fourth S site, S(24) is bonded to one Dy(4), one Dy(6), one Dy(7), one Dy(8), and one Si(5) atom to form distorted SDy4Si trigonal bipyramids that share  a cornercorner with one S(3)Dy3Si tetrahedra,  a cornercorner with one S(4)Dy3Si tetrahedra, corners with two equivalent S(2)Dy3Si tetrahedra, corners with two equivalent S(23)Dy4 trigonal pyramids,  an edgeedge with one S(25)Dy4Si trigonal bipyramid,  an edgeedge with one S(27)Dy4Si trigonal bipyramid, and  an edgeedge with one S(7)Dy3Si trigonal pyramid. In the twenty-fifth S site, S(25) is bonded to one Dy(1), one Dy(10), one Dy(6), one Dy(9), and one Si(5) atom to form distorted SDy4Si trigonal bipyramids that share  a cornercorner with one S(1)Dy3Si tetrahedra,  a cornercorner with one S(2)Dy3Si tetrahedra,  a cornercorner with one S(3)Dy3Si tetrahedra,  a cornercorner with one S(4)Dy3Si tetrahedra,  a cornercorner with one S(16)Dy3Si trigonal pyramid,  a cornercorner with one S(6)Dy3Si trigonal pyramid,  an edgeedge with one S(24)Dy4Si trigonal bipyramid,  an edgeedge with one S(27)Dy4Si trigonal bipyramid, and  an edgeedge with one S(18)Dy4 trigonal pyramid. In the twenty-sixth S site, S(26) is bonded in a distorted square co-planar geometry to one Dy(10), one Dy(2), one Dy(5), and one Dy(9) atom. In the twenty-seventh S site, S(27) is bonded to one Dy(1), one Dy(11), one Dy(12), one Dy(4), and one Si(5) atom to form distorted SDy4Si trigonal bipyramids that share  a cornercorner with one S(1)Dy3Si tetrahedra,  a cornercorner with one S(2)Dy3Si tetrahedra,  a cornercorner with one S(3)Dy3Si tetrahedra,  a cornercorner with one S(4)Dy3Si tetrahedra,  a cornercorner with one S(16)Dy3Si trigonal pyramid,  a cornercorner with one S(7)Dy3Si trigonal pyramid,  an edgeedge with one S(24)Dy4Si trigonal bipyramid,  an edgeedge with one S(25)Dy4Si trigonal bipyramid,  an edgeedge with one S(6)Dy3Si trigonal pyramid, and  an edgeedge with one S(18)Dy4 trigonal pyramid. In the twenty-eighth S site, S(28) is bonded in a distorted square co-planar geometry to one Dy(11), one Dy(12), one Dy(2), and one Dy(3) atom. is represented by the CIF file [CIF]
data_Dy12Si5S28
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.863
_cell_length_b   11.295
_cell_length_c   11.353
_cell_angle_alpha   119.797
_cell_angle_beta   115.740
_cell_angle_gamma   90.003
_symmetry_Int_Tables_number   1
_cell_volume   950.196
_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  0.762  0.701  0.636  1.0
  Dy  Dy1  1  0.774  0.191  0.653  1.0
  Dy  Dy2  1  0.348  0.425  0.121  1.0
  Dy  Dy3  1  0.362  0.945  0.126  1.0
  Dy  Dy4  1  0.878  0.477  0.225  1.0
  Dy  Dy5  1  0.877  0.003  0.240  1.0
  Dy  Dy6  1  0.227  0.307  0.344  1.0
  Dy  Dy7  1  0.235  0.800  0.366  1.0
  Dy  Dy8  1  0.635  0.553  0.872  1.0
  Dy  Dy9  1  0.656  0.076  0.882  1.0
  Dy  Dy10  1  0.129  0.500  0.765  1.0
  Dy  Dy11  1  0.118  0.021  0.773  1.0
  Si  Si12  1  0.665  0.250  0.334  1.0
  Si  Si13  1  0.668  0.749  0.331  1.0
  Si  Si14  1  0.333  0.665  0.667  1.0
  Si  Si15  1  0.334  0.165  0.667  1.0
  Si  Si16  1  0.999  0.759  1.000  1.0
  S  S17  1  0.666  0.435  0.333  1.0
  S  S18  1  0.667  0.935  0.333  1.0
  S  S19  1  0.328  0.345  0.656  1.0
  S  S20  1  0.338  0.856  0.677  1.0
  S  S21  1  0.890  0.251  0.489  1.0
  S  S22  1  0.897  0.744  0.474  1.0
  S  S23  1  0.523  0.217  0.422  1.0
  S  S24  1  0.513  0.708  0.402  1.0
  S  S25  1  0.591  0.061  0.107  1.0
  S  S26  1  0.584  0.559  0.105  1.0
  S  S27  1  0.106  0.518  0.523  1.0
  S  S28  1  0.106  0.014  0.517  1.0
  S  S29  1  0.483  0.551  0.590  1.0
  S  S30  1  0.478  0.047  0.583  1.0
  S  S31  1  0.413  0.703  0.895  1.0
  S  S32  1  0.414  0.202  0.893  1.0
  S  S33  1  0.853  0.535  0.771  1.0
  S  S34  1  0.830  0.999  0.740  1.0
  S  S35  1  0.259  0.174  0.089  1.0
  S  S36  1  0.229  0.691  0.083  1.0
  S  S37  1  0.913  0.215  0.170  1.0
  S  S38  1  0.916  0.722  0.147  1.0
  S  S39  1  0.167  0.512  0.257  1.0
  S  S40  1  0.154  0.987  0.233  1.0
  S  S41  1  0.767  0.832  0.922  1.0
  S  S42  1  0.743  0.338  0.910  1.0
  S  S43  1  0.078  0.794  0.845  1.0
  S  S44  1  0.090  0.300  0.834  1.0
[/CIF]
.
The crystal structure described by Dy12Si5S28 crystallizes in the triclinic P1 space group. There are twelve inequivalent Dy sites. In the first Dy site, Dy(1) is bonded in a 8-coordinate geometry to one S(1), one S(13), one S(17), one S(18), one S(25), one S(27), one S(6), and one S(8) atom. In the second Dy site, Dy(2) is bonded in a 8-coordinate geometry to one S(14), one S(17), one S(18), one S(2), one S(26), one S(28), one S(5), and one S(7) atom. In the third Dy site, Dy(3) is bonded in a 8-coordinate geometry to one S(1), one S(10), one S(16), one S(19), one S(20), one S(23), one S(28), and one S(8) atom. In the fourth Dy site, Dy(4) is bonded in a 8-coordinate geometry to one S(15), one S(19), one S(2), one S(20), one S(24), one S(27), one S(7), and one S(9) atom. In the fifth Dy site, Dy(5) is bonded in a 8-coordinate geometry to one S(1), one S(10), one S(11), one S(21), one S(22), one S(23), one S(26), and one S(6) atom. In the sixth Dy site, Dy(6) is bonded in a 8-coordinate geometry to one S(12), one S(2), one S(21), one S(22), one S(24), one S(25), one S(5), and one S(9) atom. In the seventh Dy site, Dy(7) is bonded in a 8-coordinate geometry to one S(11), one S(13), one S(19), one S(21), one S(23), one S(24), one S(3), and one S(7) atom. In the eighth Dy site, Dy(8) is bonded in a 8-coordinate geometry to one S(12), one S(14), one S(20), one S(22), one S(23), one S(24), one S(4), and one S(8) atom. In the ninth Dy site, Dy(9) is bonded in a 8-coordinate geometry to one S(10), one S(13), one S(15), one S(17), one S(22), one S(25), one S(26), and one S(3) atom. In the tenth Dy site, Dy(10) is bonded in a 8-coordinate geometry to one S(14), one S(16), one S(18), one S(21), one S(25), one S(26), one S(4), and one S(9) atom. In the eleventh Dy site, Dy(11) is bonded in a 8-coordinate geometry to one S(11), one S(15), one S(17), one S(20), one S(27), one S(28), one S(3), and one S(5) atom. In the twelfth Dy site, Dy(12) is bonded in a 8-coordinate geometry to one S(12), one S(16), one S(18), one S(19), one S(27), one S(28), one S(4), and one S(6) atom. There are five inequivalent Si sites. In the first Si site, Si(1) is bonded in a tetrahedral geometry to one S(1), one S(5), one S(7), and one S(9) atom. In the second Si site, Si(2) is bonded in a tetrahedral geometry to one S(10), one S(2), one S(6), and one S(8) atom. In the third Si site, Si(3) is bonded in a tetrahedral geometry to one S(11), one S(13), one S(15), and one S(4) atom. In the fourth Si site, Si(4) is bonded in a tetrahedral geometry to one S(12), one S(14), one S(16), and one S(3) atom. In the fifth Si site, Si(5) is bonded in an octahedral geometry to one S(17), one S(20), one S(22), one S(24), one S(25), and one S(27) atom. There are twenty-eight inequivalent S sites. In the first S site, S(1) is bonded to one Dy(1), one Dy(3), one Dy(5), and one Si(1) atom to form SDy3Si tetrahedra that share  a cornercorner with one S(25)Dy4Si trigonal bipyramid,  a cornercorner with one S(27)Dy4Si trigonal bipyramid,  a cornercorner with one S(16)Dy3Si trigonal pyramid,  a cornercorner with one S(7)Dy3Si trigonal pyramid,  a cornercorner with one S(18)Dy4 trigonal pyramid, corners with two equivalent S(23)Dy4 trigonal pyramids, and  an edgeedge with one S(6)Dy3Si trigonal pyramid. In the second S site, S(2) is bonded to one Dy(2), one Dy(4), one Dy(6), and one Si(2) atom to form distorted SDy3Si tetrahedra that share  a cornercorner with one S(25)Dy4Si trigonal bipyramid,  a cornercorner with one S(27)Dy4Si trigonal bipyramid, corners with two equivalent S(24)Dy4Si trigonal bipyramids,  a cornercorner with one S(6)Dy3Si trigonal pyramid,  a cornercorner with one S(18)Dy4 trigonal pyramid, and  an edgeedge with one S(7)Dy3Si trigonal pyramid. In the third S site, S(3) is bonded to one Dy(11), one Dy(7), one Dy(9), and one Si(4) atom to form distorted SDy3Si tetrahedra that share  a cornercorner with one S(24)Dy4Si trigonal bipyramid,  a cornercorner with one S(25)Dy4Si trigonal bipyramid,  a cornercorner with one S(27)Dy4Si trigonal bipyramid,  a cornercorner with one S(16)Dy3Si trigonal pyramid,  a cornercorner with one S(7)Dy3Si trigonal pyramid, and  a cornercorner with one S(23)Dy4 trigonal pyramid. In the fourth S site, S(4) is bonded to one Dy(10), one Dy(12), one Dy(8), and one Si(3) atom to form distorted SDy3Si tetrahedra that share  a cornercorner with one S(24)Dy4Si trigonal bipyramid,  a cornercorner with one S(25)Dy4Si trigonal bipyramid,  a cornercorner with one S(27)Dy4Si trigonal bipyramid,  a cornercorner with one S(6)Dy3Si trigonal pyramid,  a cornercorner with one S(23)Dy4 trigonal pyramid, corners with two equivalent S(18)Dy4 trigonal pyramids, and  an edgeedge with one S(16)Dy3Si trigonal pyramid. In the fifth S site, S(5) is bonded in a distorted rectangular see-saw-like geometry to one Dy(11), one Dy(2), one Dy(6), and one Si(1) atom. In the sixth S site, S(6) is bonded to one Dy(1), one Dy(12), one Dy(5), and one Si(2) atom to form distorted SDy3Si trigonal pyramids that share  a cornercorner with one S(2)Dy3Si tetrahedra,  a cornercorner with one S(4)Dy3Si tetrahedra,  a cornercorner with one S(25)Dy4Si trigonal bipyramid,  a cornercorner with one S(16)Dy3Si trigonal pyramid,  a cornercorner with one S(23)Dy4 trigonal pyramid,  an edgeedge with one S(1)Dy3Si tetrahedra,  an edgeedge with one S(27)Dy4Si trigonal bipyramid, and  an edgeedge with one S(18)Dy4 trigonal pyramid. In the seventh S site, S(7) is bonded to one Dy(2), one Dy(4), one Dy(7), and one Si(1) atom to form distorted SDy3Si trigonal pyramids that share  a cornercorner with one S(1)Dy3Si tetrahedra,  a cornercorner with one S(3)Dy3Si tetrahedra,  a cornercorner with one S(27)Dy4Si trigonal bipyramid,  a cornercorner with one S(18)Dy4 trigonal pyramid,  a cornercorner with one S(23)Dy4 trigonal pyramid,  an edgeedge with one S(2)Dy3Si tetrahedra, and  an edgeedge with one S(24)Dy4Si trigonal bipyramid. In the eighth S site, S(8) is bonded in a distorted rectangular see-saw-like geometry to one Dy(1), one Dy(3), one Dy(8), and one Si(2) atom. In the ninth S site, S(9) is bonded in a distorted rectangular see-saw-like geometry to one Dy(10), one Dy(4), one Dy(6), and one Si(1) atom. In the tenth S site, S(10) is bonded in a distorted rectangular see-saw-like geometry to one Dy(3), one Dy(5), one Dy(9), and one Si(2) atom. In the eleventh S site, S(11) is bonded in a distorted rectangular see-saw-like geometry to one Dy(11), one Dy(5), one Dy(7), and one Si(3) atom. In the twelfth S site, S(12) is bonded in a distorted rectangular see-saw-like geometry to one Dy(12), one Dy(6), one Dy(8), and one Si(4) atom. In the thirteenth S site, S(13) is bonded in a distorted rectangular see-saw-like geometry to one Dy(1), one Dy(7), one Dy(9), and one Si(3) atom. In the fourteenth S site, S(14) is bonded in a distorted rectangular see-saw-like geometry to one Dy(10), one Dy(2), one Dy(8), and one Si(4) atom. In the fifteenth S site, S(15) is bonded in a distorted rectangular see-saw-like geometry to one Dy(11), one Dy(4), one Dy(9), and one Si(3) atom. In the sixteenth S site, S(16) is bonded to one Dy(10), one Dy(12), one Dy(3), and one Si(4) atom to form distorted SDy3Si trigonal pyramids that share  a cornercorner with one S(1)Dy3Si tetrahedra,  a cornercorner with one S(3)Dy3Si tetrahedra,  a cornercorner with one S(25)Dy4Si trigonal bipyramid,  a cornercorner with one S(27)Dy4Si trigonal bipyramid,  a cornercorner with one S(6)Dy3Si trigonal pyramid,  a cornercorner with one S(23)Dy4 trigonal pyramid, corners with two equivalent S(18)Dy4 trigonal pyramids, and  an edgeedge with one S(4)Dy3Si tetrahedra. In the seventeenth S site, S(17) is bonded in a 5-coordinate geometry to one Dy(1), one Dy(11), one Dy(2), one Dy(9), and one Si(5) atom. In the eighteenth S site, S(18) is bonded to one Dy(1), one Dy(10), one Dy(12), and one Dy(2) atom to form distorted SDy4 trigonal pyramids that share  a cornercorner with one S(1)Dy3Si tetrahedra,  a cornercorner with one S(2)Dy3Si tetrahedra, corners with two equivalent S(4)Dy3Si tetrahedra,  a cornercorner with one S(7)Dy3Si trigonal pyramid, corners with two equivalent S(16)Dy3Si trigonal pyramids,  an edgeedge with one S(25)Dy4Si trigonal bipyramid,  an edgeedge with one S(27)Dy4Si trigonal bipyramid, and  an edgeedge with one S(6)Dy3Si trigonal pyramid. In the nineteenth S site, S(19) is bonded in a distorted square co-planar geometry to one Dy(12), one Dy(3), one Dy(4), and one Dy(7) atom. In the twentieth S site, S(20) is bonded in a 5-coordinate geometry to one Dy(11), one Dy(3), one Dy(4), one Dy(8), and one Si(5) atom. In the twenty-first S site, S(21) is bonded in a distorted square co-planar geometry to one Dy(10), one Dy(5), one Dy(6), and one Dy(7) atom. In the twenty-second S site, S(22) is bonded in a 5-coordinate geometry to one Dy(5), one Dy(6), one Dy(8), one Dy(9), and one Si(5) atom. In the twenty-third S site, S(23) is bonded to one Dy(3), one Dy(5), one Dy(7), and one Dy(8) atom to form distorted SDy4 trigonal pyramids that share  a cornercorner with one S(3)Dy3Si tetrahedra,  a cornercorner with one S(4)Dy3Si tetrahedra, corners with two equivalent S(1)Dy3Si tetrahedra, corners with two equivalent S(24)Dy4Si trigonal bipyramids,  a cornercorner with one S(16)Dy3Si trigonal pyramid,  a cornercorner with one S(6)Dy3Si trigonal pyramid, and  a cornercorner with one S(7)Dy3Si trigonal pyramid. In the twenty-fourth S site, S(24) is bonded to one Dy(4), one Dy(6), one Dy(7), one Dy(8), and one Si(5) atom to form distorted SDy4Si trigonal bipyramids that share  a cornercorner with one S(3)Dy3Si tetrahedra,  a cornercorner with one S(4)Dy3Si tetrahedra, corners with two equivalent S(2)Dy3Si tetrahedra, corners with two equivalent S(23)Dy4 trigonal pyramids,  an edgeedge with one S(25)Dy4Si trigonal bipyramid,  an edgeedge with one S(27)Dy4Si trigonal bipyramid, and  an edgeedge with one S(7)Dy3Si trigonal pyramid. In the twenty-fifth S site, S(25) is bonded to one Dy(1), one Dy(10), one Dy(6), one Dy(9), and one Si(5) atom to form distorted SDy4Si trigonal bipyramids that share  a cornercorner with one S(1)Dy3Si tetrahedra,  a cornercorner with one S(2)Dy3Si tetrahedra,  a cornercorner with one S(3)Dy3Si tetrahedra,  a cornercorner with one S(4)Dy3Si tetrahedra,  a cornercorner with one S(16)Dy3Si trigonal pyramid,  a cornercorner with one S(6)Dy3Si trigonal pyramid,  an edgeedge with one S(24)Dy4Si trigonal bipyramid,  an edgeedge with one S(27)Dy4Si trigonal bipyramid, and  an edgeedge with one S(18)Dy4 trigonal pyramid. In the twenty-sixth S site, S(26) is bonded in a distorted square co-planar geometry to one Dy(10), one Dy(2), one Dy(5), and one Dy(9) atom. In the twenty-seventh S site, S(27) is bonded to one Dy(1), one Dy(11), one Dy(12), one Dy(4), and one Si(5) atom to form distorted SDy4Si trigonal bipyramids that share  a cornercorner with one S(1)Dy3Si tetrahedra,  a cornercorner with one S(2)Dy3Si tetrahedra,  a cornercorner with one S(3)Dy3Si tetrahedra,  a cornercorner with one S(4)Dy3Si tetrahedra,  a cornercorner with one S(16)Dy3Si trigonal pyramid,  a cornercorner with one S(7)Dy3Si trigonal pyramid,  an edgeedge with one S(24)Dy4Si trigonal bipyramid,  an edgeedge with one S(25)Dy4Si trigonal bipyramid,  an edgeedge with one S(6)Dy3Si trigonal pyramid, and  an edgeedge with one S(18)Dy4 trigonal pyramid. In the twenty-eighth S site, S(28) is bonded in a distorted square co-planar geometry to one Dy(11), one Dy(12), one Dy(2), and one Dy(3) atom. is represented by the CIF file [CIF]
data_Dy12Si5S28
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.863
_cell_length_b   11.295
_cell_length_c   11.353
_cell_angle_alpha   119.797
_cell_angle_beta   115.740
_cell_angle_gamma   90.003
_symmetry_Int_Tables_number   1
_cell_volume   950.196
_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  0.762  0.701  0.636  1.0
  Dy  Dy1  1  0.774  0.191  0.653  1.0
  Dy  Dy2  1  0.348  0.425  0.121  1.0
  Dy  Dy3  1  0.362  0.945  0.126  1.0
  Dy  Dy4  1  0.878  0.477  0.225  1.0
  Dy  Dy5  1  0.877  0.003  0.240  1.0
  Dy  Dy6  1  0.227  0.307  0.344  1.0
  Dy  Dy7  1  0.235  0.800  0.366  1.0
  Dy  Dy8  1  0.635  0.553  0.872  1.0
  Dy  Dy9  1  0.656  0.076  0.882  1.0
  Dy  Dy10  1  0.129  0.500  0.765  1.0
  Dy  Dy11  1  0.118  0.021  0.773  1.0
  Si  Si12  1  0.665  0.250  0.334  1.0
  Si  Si13  1  0.668  0.749  0.331  1.0
  Si  Si14  1  0.333  0.665  0.667  1.0
  Si  Si15  1  0.334  0.165  0.667  1.0
  Si  Si16  1  0.999  0.759  1.000  1.0
  S  S17  1  0.666  0.435  0.333  1.0
  S  S18  1  0.667  0.935  0.333  1.0
  S  S19  1  0.328  0.345  0.656  1.0
  S  S20  1  0.338  0.856  0.677  1.0
  S  S21  1  0.890  0.251  0.489  1.0
  S  S22  1  0.897  0.744  0.474  1.0
  S  S23  1  0.523  0.217  0.422  1.0
  S  S24  1  0.513  0.708  0.402  1.0
  S  S25  1  0.591  0.061  0.107  1.0
  S  S26  1  0.584  0.559  0.105  1.0
  S  S27  1  0.106  0.518  0.523  1.0
  S  S28  1  0.106  0.014  0.517  1.0
  S  S29  1  0.483  0.551  0.590  1.0
  S  S30  1  0.478  0.047  0.583  1.0
  S  S31  1  0.413  0.703  0.895  1.0
  S  S32  1  0.414  0.202  0.893  1.0
  S  S33  1  0.853  0.535  0.771  1.0
  S  S34  1  0.830  0.999  0.740  1.0
  S  S35  1  0.259  0.174  0.089  1.0
  S  S36  1  0.229  0.691  0.083  1.0
  S  S37  1  0.913  0.215  0.170  1.0
  S  S38  1  0.916  0.722  0.147  1.0
  S  S39  1  0.167  0.512  0.257  1.0
  S  S40  1  0.154  0.987  0.233  1.0
  S  S41  1  0.767  0.832  0.922  1.0
  S  S42  1  0.743  0.338  0.910  1.0
  S  S43  1  0.078  0.794  0.845  1.0
  S  S44  1  0.090  0.300  0.834  1.0
[/CIF]
.