The material described by La12Fe11S30 crystallizes in the monoclinic Cm space group. There are twelve inequivalent La sites. In the first La site, La(1) is bonded in a 8-coordinate geometry to one S(23), one S(3), two equivalent S(18), two equivalent S(2), and two equivalent S(20) atoms. In the second La site, La(2) is bonded in a 7-coordinate geometry to one S(24), one S(4), two equivalent S(1), two equivalent S(17), and two equivalent S(19) atoms. In the third La site, La(3) is bonded in a 8-coordinate geometry to one S(15), one S(27), two equivalent S(14), two equivalent S(26), and two equivalent S(6) atoms. In the fourth La site, La(4) is bonded in a 8-coordinate geometry to one S(16), one S(28), two equivalent S(13), two equivalent S(25), and two equivalent S(5) atoms. In the fifth La site, La(5) is bonded in a 8-coordinate geometry to one S(21), one S(5), two equivalent S(20), two equivalent S(28), and two equivalent S(8) atoms. In the sixth La site, La(6) is bonded in a 9-coordinate geometry to one S(22), one S(24), one S(6), two equivalent S(19), two equivalent S(27), and two equivalent S(7) atoms. In the seventh La site, La(7) is bonded in a 8-coordinate geometry to one S(1), one S(16), two equivalent S(13), two equivalent S(26), and two equivalent S(4) atoms. In the eighth La site, La(8) is bonded in a 8-coordinate geometry to one S(15), one S(2), two equivalent S(14), two equivalent S(25), and two equivalent S(3) atoms. In the ninth La site, La(9) is bonded in a 8-coordinate geometry to one S(23), one S(29), two equivalent S(10), two equivalent S(12), and two equivalent S(18) atoms. In the tenth La site, La(10) is bonded in a 8-coordinate geometry to one S(24), one S(30), two equivalent S(11), two equivalent S(17), and two equivalent S(9) atoms. In the eleventh La site, La(11) is bonded in a 8-coordinate geometry to one S(11), one S(21), two equivalent S(10), two equivalent S(30), and two equivalent S(8) atoms. In the twelfth La site, La(12) is bonded in a 8-coordinate geometry to one S(12), one S(22), two equivalent S(29), two equivalent S(7), and two equivalent S(9) atoms. There are eleven inequivalent Fe sites. In the first Fe site, Fe(1) is bonded in a 4-coordinate geometry to one S(13), one S(3), one S(5), and two equivalent S(15) atoms. In the second Fe site, Fe(2) is bonded to one S(14), one S(4), one S(6), and two equivalent S(16) atoms to form corner-sharing FeS5 trigonal bipyramids. In the third Fe site, Fe(3) is bonded to one S(21), one S(25), two equivalent S(2), and two equivalent S(28) atoms to form distorted edge-sharing FeS6 octahedra. In the fourth Fe site, Fe(4) is bonded to one S(22), one S(26), two equivalent S(1), and two equivalent S(27) atoms to form distorted edge-sharing FeS6 octahedra. In the fifth Fe site, Fe(5) is bonded to one S(15), one S(20), two equivalent S(3), and two equivalent S(5) atoms to form distorted edge-sharing FeS6 octahedra. In the sixth Fe site, Fe(6) is bonded in a 6-coordinate geometry to one S(16), one S(19), two equivalent S(4), and two equivalent S(6) atoms. In the seventh Fe site, Fe(7) is bonded to one S(11), one S(29), one S(7), and two equivalent S(24) atoms to form FeS5 trigonal bipyramids that share corners with two equivalent Fe(7)S5 trigonal bipyramids and faces with two equivalent Fe(11)S6 octahedra. In the eighth Fe site, Fe(8) is bonded to one S(12), one S(30), one S(8), and two equivalent S(23) atoms to form FeS5 trigonal bipyramids that share corners with two equivalent Fe(8)S5 trigonal bipyramids and faces with two equivalent Fe(10)S6 octahedra. In the ninth Fe site, Fe(9) is bonded in a 5-coordinate geometry to one S(18), one S(2), one S(28), and two equivalent S(21) atoms. In the tenth Fe site, Fe(10) is bonded to one S(23), one S(9), two equivalent S(12), and two equivalent S(30) atoms to form distorted FeS6 octahedra that share edges with two equivalent Fe(10)S6 octahedra and faces with two equivalent Fe(8)S5 trigonal bipyramids. In the eleventh Fe site, Fe(11) is bonded to one S(10), one S(24), two equivalent S(11), and two equivalent S(29) atoms to form distorted FeS6 octahedra that share edges with two equivalent Fe(11)S6 octahedra and faces with two equivalent Fe(7)S5 trigonal bipyramids. There are thirty inequivalent S sites. In the first S site, S(1) is bonded to one La(7), two equivalent La(2), and two equivalent Fe(4) atoms to form distorted SLa3Fe2 trigonal bipyramids that share corners with two equivalent S(19)La4Fe square pyramids, corners with two equivalent S(13)La4Fe trigonal bipyramids,  an edgeedge with one S(19)La4Fe square pyramid, edges with two equivalent S(26)La4Fe square pyramids, and edges with two equivalent S(1)La3Fe2 trigonal bipyramids. In the second S site, S(2) is bonded in a 6-coordinate geometry to one La(8), two equivalent La(1), one Fe(9), and two equivalent Fe(3) atoms. In the third S site, S(3) is bonded in a 6-coordinate geometry to one La(1), two equivalent La(8), one Fe(1), and two equivalent Fe(5) atoms. In the fourth S site, S(4) is bonded in a 6-coordinate geometry to one La(2), two equivalent La(7), one Fe(2), and two equivalent Fe(6) atoms. In the fifth S site, S(5) is bonded in a 6-coordinate geometry to one La(5), two equivalent La(4), one Fe(1), and two equivalent Fe(5) atoms. In the sixth S site, S(6) is bonded in a 6-coordinate geometry to one La(6), two equivalent La(3), one Fe(2), and two equivalent Fe(6) atoms. In the seventh S site, S(7) is bonded to two equivalent La(12), two equivalent La(6), and one Fe(7) atom to form a mixture of distorted edge and corner-sharing SLa4Fe trigonal bipyramids. In the eighth S site, S(8) is bonded to two equivalent La(11), two equivalent La(5), and one Fe(8) atom to form a mixture of distorted edge and corner-sharing SLa4Fe trigonal bipyramids. In the ninth S site, S(9) is bonded to two equivalent La(10), two equivalent La(12), and one Fe(10) atom to form a mixture of distorted edge and corner-sharing SLa4Fe square pyramids. In the tenth S site, S(10) is bonded to two equivalent La(11), two equivalent La(9), and one Fe(11) atom to form a mixture of distorted edge and corner-sharing SLa4Fe square pyramids. In the eleventh S site, S(11) is bonded in a 6-coordinate geometry to one La(11), two equivalent La(10), one Fe(7), and two equivalent Fe(11) atoms. In the twelfth S site, S(12) is bonded in a 6-coordinate geometry to one La(12), two equivalent La(9), one Fe(8), and two equivalent Fe(10) atoms. In the thirteenth S site, S(13) is bonded to two equivalent La(4), two equivalent La(7), and one Fe(1) atom to form distorted SLa4Fe trigonal bipyramids that share corners with two equivalent S(25)La4Fe square pyramids, corners with two equivalent S(26)La4Fe square pyramids, corners with two equivalent S(1)La3Fe2 trigonal bipyramids,  an edgeedge with one S(25)La4Fe square pyramid,  an edgeedge with one S(26)La4Fe square pyramid, and edges with two equivalent S(13)La4Fe trigonal bipyramids. In the fourteenth S site, S(14) is bonded to two equivalent La(3), two equivalent La(8), and one Fe(2) atom to form a mixture of distorted edge and corner-sharing SLa4Fe trigonal bipyramids. In the fifteenth S site, S(15) is bonded in a 5-coordinate geometry to one La(3), one La(8), one Fe(5), and two equivalent Fe(1) atoms. In the sixteenth S site, S(16) is bonded in a 2-coordinate geometry to one La(4), one La(7), one Fe(6), and two equivalent Fe(2) atoms. In the seventeenth S site, S(17) is bonded in a square co-planar geometry to two equivalent La(10) and two equivalent La(2) atoms. In the eighteenth S site, S(18) is bonded to two equivalent La(1), two equivalent La(9), and one Fe(9) atom to form a mixture of distorted edge and corner-sharing SLa4Fe trigonal bipyramids. In the nineteenth S site, S(19) is bonded to two equivalent La(2), two equivalent La(6), and one Fe(6) atom to form distorted SLa4Fe square pyramids that share corners with two equivalent S(1)La3Fe2 trigonal bipyramids, corners with two equivalent S(7)La4Fe trigonal bipyramids, edges with two equivalent S(19)La4Fe square pyramids,  an edgeedge with one S(1)La3Fe2 trigonal bipyramid, and  an edgeedge with one S(7)La4Fe trigonal bipyramid. In the twentieth S site, S(20) is bonded to two equivalent La(1), two equivalent La(5), and one Fe(5) atom to form a mixture of edge and corner-sharing SLa4Fe square pyramids. In the twenty-first S site, S(21) is bonded in a 5-coordinate geometry to one La(11), one La(5), one Fe(3), and two equivalent Fe(9) atoms. In the twenty-second S site, S(22) is bonded in a 3-coordinate geometry to one La(12), one La(6), and one Fe(4) atom. In the twenty-third S site, S(23) is bonded in a 5-coordinate geometry to one La(1), one La(9), one Fe(10), and two equivalent Fe(8) atoms. In the twenty-fourth S site, S(24) is bonded in a 6-coordinate geometry to one La(10), one La(2), one La(6), one Fe(11), and two equivalent Fe(7) atoms. In the twenty-fifth S site, S(25) is bonded to two equivalent La(4), two equivalent La(8), and one Fe(3) atom to form a mixture of distorted edge and corner-sharing SLa4Fe square pyramids. In the twenty-sixth S site, S(26) is bonded to two equivalent La(3), two equivalent La(7), and one Fe(4) atom to form SLa4Fe square pyramids that share corners with two equivalent S(13)La4Fe trigonal bipyramids, corners with two equivalent S(14)La4Fe trigonal bipyramids, edges with two equivalent S(26)La4Fe square pyramids,  an edgeedge with one S(13)La4Fe trigonal bipyramid,  an edgeedge with one S(14)La4Fe trigonal bipyramid, and edges with two equivalent S(1)La3Fe2 trigonal bipyramids. In the twenty-seventh S site, S(27) is bonded in a 5-coordinate geometry to one La(3), two equivalent La(6), and two equivalent Fe(4) atoms. In the twenty-eighth S site, S(28) is bonded in a 6-coordinate geometry to one La(4), two equivalent La(5), one Fe(9), and two equivalent Fe(3) atoms. In the twenty-ninth S site, S(29) is bonded in a 6-coordinate geometry to one La(9), two equivalent La(12), one Fe(7), and two equivalent Fe(11) atoms. In the thirtieth S site, S(30) is bonded in a 6-coordinate geometry to one La(10), two equivalent La(11), one Fe(8), and two equivalent Fe(10) atoms. is represented by the CIF card [CIF]
data_La12Fe11S30
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.949
_cell_length_b   11.077
_cell_length_c   24.939
_cell_angle_alpha   91.997
_cell_angle_beta   85.459
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   1086.864
_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
  La  La0  1  0.875  0.066  0.250  1.0
  La  La1  1  0.124  0.546  0.752  1.0
  La  La2  1  0.542  0.058  0.917  1.0
  La  La3  1  0.458  0.559  0.083  1.0
  La  La4  1  0.873  0.448  0.254  1.0
  La  La5  1  0.127  0.937  0.746  1.0
  La  La6  1  0.541  0.439  0.918  1.0
  La  La7  1  0.460  0.936  0.079  1.0
  La  La8  1  0.794  0.963  0.412  1.0
  La  La9  1  0.204  0.469  0.591  1.0
  La  La10  1  0.792  0.577  0.417  1.0
  La  La11  1  0.204  0.090  0.592  1.0
  Fe  Fe12  1  0.973  0.279  0.054  1.0
  Fe  Fe13  1  0.031  0.770  0.937  1.0
  Fe  Fe14  1  0.897  0.746  0.205  1.0
  Fe  Fe15  1  0.106  0.234  0.788  1.0
  Fe  Fe16  1  0.436  0.239  0.128  1.0
  Fe  Fe17  1  0.566  0.749  0.869  1.0
  Fe  Fe18  1  0.699  0.799  0.602  1.0
  Fe  Fe19  1  0.300  0.289  0.399  1.0
  Fe  Fe20  1  0.362  0.783  0.276  1.0
  Fe  Fe21  1  0.767  0.271  0.465  1.0
  Fe  Fe22  1  0.232  0.776  0.536  1.0
  S  S23  1  0.600  0.388  0.801  1.0
  S  S24  1  0.400  0.900  0.200  1.0
  S  S25  1  0.934  0.094  0.132  1.0
  S  S26  1  0.063  0.607  0.873  1.0
  S  S27  1  0.933  0.397  0.133  1.0
  S  S28  1  0.067  0.895  0.866  1.0
  S  S29  1  0.671  0.965  0.658  1.0
  S  S30  1  0.328  0.455  0.345  1.0
  S  S31  1  0.718  0.274  0.565  1.0
  S  S32  1  0.282  0.771  0.437  1.0
  S  S33  1  0.731  0.632  0.538  1.0
  S  S34  1  0.269  0.130  0.462  1.0
  S  S35  1  0.997  0.460  0.006  1.0
  S  S36  1  0.005  0.945  0.990  1.0
  S  S37  1  0.486  0.186  0.028  1.0
  S  S38  1  0.513  0.702  0.974  1.0
  S  S39  1  0.664  0.487  0.672  1.0
  S  S40  1  0.337  0.972  0.326  1.0
  S  S41  1  0.615  0.743  0.770  1.0
  S  S42  1  0.385  0.254  0.230  1.0
  S  S43  1  0.846  0.700  0.308  1.0
  S  S44  1  0.150  0.200  0.700  1.0
  S  S45  1  0.818  0.215  0.363  1.0
  S  S46  1  0.182  0.732  0.637  1.0
  S  S47  1  0.948  0.746  0.105  1.0
  S  S48  1  0.052  0.246  0.897  1.0
  S  S49  1  0.600  0.087  0.801  1.0
  S  S50  1  0.398  0.600  0.203  1.0
  S  S51  1  0.734  0.932  0.532  1.0
  S  S52  1  0.265  0.425  0.471  1.0
[/CIF]
.
The material described by La12Fe11S30 crystallizes in the monoclinic Cm space group. There are twelve inequivalent La sites. In the first La site, La(1) is bonded in a 8-coordinate geometry to one S(23), one S(3), two equivalent S(18), two equivalent S(2), and two equivalent S(20) atoms. In the second La site, La(2) is bonded in a 7-coordinate geometry to one S(24), one S(4), two equivalent S(1), two equivalent S(17), and two equivalent S(19) atoms. In the third La site, La(3) is bonded in a 8-coordinate geometry to one S(15), one S(27), two equivalent S(14), two equivalent S(26), and two equivalent S(6) atoms. In the fourth La site, La(4) is bonded in a 8-coordinate geometry to one S(16), one S(28), two equivalent S(13), two equivalent S(25), and two equivalent S(5) atoms. In the fifth La site, La(5) is bonded in a 8-coordinate geometry to one S(21), one S(5), two equivalent S(20), two equivalent S(28), and two equivalent S(8) atoms. In the sixth La site, La(6) is bonded in a 9-coordinate geometry to one S(22), one S(24), one S(6), two equivalent S(19), two equivalent S(27), and two equivalent S(7) atoms. In the seventh La site, La(7) is bonded in a 8-coordinate geometry to one S(1), one S(16), two equivalent S(13), two equivalent S(26), and two equivalent S(4) atoms. In the eighth La site, La(8) is bonded in a 8-coordinate geometry to one S(15), one S(2), two equivalent S(14), two equivalent S(25), and two equivalent S(3) atoms. In the ninth La site, La(9) is bonded in a 8-coordinate geometry to one S(23), one S(29), two equivalent S(10), two equivalent S(12), and two equivalent S(18) atoms. In the tenth La site, La(10) is bonded in a 8-coordinate geometry to one S(24), one S(30), two equivalent S(11), two equivalent S(17), and two equivalent S(9) atoms. In the eleventh La site, La(11) is bonded in a 8-coordinate geometry to one S(11), one S(21), two equivalent S(10), two equivalent S(30), and two equivalent S(8) atoms. In the twelfth La site, La(12) is bonded in a 8-coordinate geometry to one S(12), one S(22), two equivalent S(29), two equivalent S(7), and two equivalent S(9) atoms. There are eleven inequivalent Fe sites. In the first Fe site, Fe(1) is bonded in a 4-coordinate geometry to one S(13), one S(3), one S(5), and two equivalent S(15) atoms. In the second Fe site, Fe(2) is bonded to one S(14), one S(4), one S(6), and two equivalent S(16) atoms to form corner-sharing FeS5 trigonal bipyramids. In the third Fe site, Fe(3) is bonded to one S(21), one S(25), two equivalent S(2), and two equivalent S(28) atoms to form distorted edge-sharing FeS6 octahedra. In the fourth Fe site, Fe(4) is bonded to one S(22), one S(26), two equivalent S(1), and two equivalent S(27) atoms to form distorted edge-sharing FeS6 octahedra. In the fifth Fe site, Fe(5) is bonded to one S(15), one S(20), two equivalent S(3), and two equivalent S(5) atoms to form distorted edge-sharing FeS6 octahedra. In the sixth Fe site, Fe(6) is bonded in a 6-coordinate geometry to one S(16), one S(19), two equivalent S(4), and two equivalent S(6) atoms. In the seventh Fe site, Fe(7) is bonded to one S(11), one S(29), one S(7), and two equivalent S(24) atoms to form FeS5 trigonal bipyramids that share corners with two equivalent Fe(7)S5 trigonal bipyramids and faces with two equivalent Fe(11)S6 octahedra. In the eighth Fe site, Fe(8) is bonded to one S(12), one S(30), one S(8), and two equivalent S(23) atoms to form FeS5 trigonal bipyramids that share corners with two equivalent Fe(8)S5 trigonal bipyramids and faces with two equivalent Fe(10)S6 octahedra. In the ninth Fe site, Fe(9) is bonded in a 5-coordinate geometry to one S(18), one S(2), one S(28), and two equivalent S(21) atoms. In the tenth Fe site, Fe(10) is bonded to one S(23), one S(9), two equivalent S(12), and two equivalent S(30) atoms to form distorted FeS6 octahedra that share edges with two equivalent Fe(10)S6 octahedra and faces with two equivalent Fe(8)S5 trigonal bipyramids. In the eleventh Fe site, Fe(11) is bonded to one S(10), one S(24), two equivalent S(11), and two equivalent S(29) atoms to form distorted FeS6 octahedra that share edges with two equivalent Fe(11)S6 octahedra and faces with two equivalent Fe(7)S5 trigonal bipyramids. There are thirty inequivalent S sites. In the first S site, S(1) is bonded to one La(7), two equivalent La(2), and two equivalent Fe(4) atoms to form distorted SLa3Fe2 trigonal bipyramids that share corners with two equivalent S(19)La4Fe square pyramids, corners with two equivalent S(13)La4Fe trigonal bipyramids,  an edgeedge with one S(19)La4Fe square pyramid, edges with two equivalent S(26)La4Fe square pyramids, and edges with two equivalent S(1)La3Fe2 trigonal bipyramids. In the second S site, S(2) is bonded in a 6-coordinate geometry to one La(8), two equivalent La(1), one Fe(9), and two equivalent Fe(3) atoms. In the third S site, S(3) is bonded in a 6-coordinate geometry to one La(1), two equivalent La(8), one Fe(1), and two equivalent Fe(5) atoms. In the fourth S site, S(4) is bonded in a 6-coordinate geometry to one La(2), two equivalent La(7), one Fe(2), and two equivalent Fe(6) atoms. In the fifth S site, S(5) is bonded in a 6-coordinate geometry to one La(5), two equivalent La(4), one Fe(1), and two equivalent Fe(5) atoms. In the sixth S site, S(6) is bonded in a 6-coordinate geometry to one La(6), two equivalent La(3), one Fe(2), and two equivalent Fe(6) atoms. In the seventh S site, S(7) is bonded to two equivalent La(12), two equivalent La(6), and one Fe(7) atom to form a mixture of distorted edge and corner-sharing SLa4Fe trigonal bipyramids. In the eighth S site, S(8) is bonded to two equivalent La(11), two equivalent La(5), and one Fe(8) atom to form a mixture of distorted edge and corner-sharing SLa4Fe trigonal bipyramids. In the ninth S site, S(9) is bonded to two equivalent La(10), two equivalent La(12), and one Fe(10) atom to form a mixture of distorted edge and corner-sharing SLa4Fe square pyramids. In the tenth S site, S(10) is bonded to two equivalent La(11), two equivalent La(9), and one Fe(11) atom to form a mixture of distorted edge and corner-sharing SLa4Fe square pyramids. In the eleventh S site, S(11) is bonded in a 6-coordinate geometry to one La(11), two equivalent La(10), one Fe(7), and two equivalent Fe(11) atoms. In the twelfth S site, S(12) is bonded in a 6-coordinate geometry to one La(12), two equivalent La(9), one Fe(8), and two equivalent Fe(10) atoms. In the thirteenth S site, S(13) is bonded to two equivalent La(4), two equivalent La(7), and one Fe(1) atom to form distorted SLa4Fe trigonal bipyramids that share corners with two equivalent S(25)La4Fe square pyramids, corners with two equivalent S(26)La4Fe square pyramids, corners with two equivalent S(1)La3Fe2 trigonal bipyramids,  an edgeedge with one S(25)La4Fe square pyramid,  an edgeedge with one S(26)La4Fe square pyramid, and edges with two equivalent S(13)La4Fe trigonal bipyramids. In the fourteenth S site, S(14) is bonded to two equivalent La(3), two equivalent La(8), and one Fe(2) atom to form a mixture of distorted edge and corner-sharing SLa4Fe trigonal bipyramids. In the fifteenth S site, S(15) is bonded in a 5-coordinate geometry to one La(3), one La(8), one Fe(5), and two equivalent Fe(1) atoms. In the sixteenth S site, S(16) is bonded in a 2-coordinate geometry to one La(4), one La(7), one Fe(6), and two equivalent Fe(2) atoms. In the seventeenth S site, S(17) is bonded in a square co-planar geometry to two equivalent La(10) and two equivalent La(2) atoms. In the eighteenth S site, S(18) is bonded to two equivalent La(1), two equivalent La(9), and one Fe(9) atom to form a mixture of distorted edge and corner-sharing SLa4Fe trigonal bipyramids. In the nineteenth S site, S(19) is bonded to two equivalent La(2), two equivalent La(6), and one Fe(6) atom to form distorted SLa4Fe square pyramids that share corners with two equivalent S(1)La3Fe2 trigonal bipyramids, corners with two equivalent S(7)La4Fe trigonal bipyramids, edges with two equivalent S(19)La4Fe square pyramids,  an edgeedge with one S(1)La3Fe2 trigonal bipyramid, and  an edgeedge with one S(7)La4Fe trigonal bipyramid. In the twentieth S site, S(20) is bonded to two equivalent La(1), two equivalent La(5), and one Fe(5) atom to form a mixture of edge and corner-sharing SLa4Fe square pyramids. In the twenty-first S site, S(21) is bonded in a 5-coordinate geometry to one La(11), one La(5), one Fe(3), and two equivalent Fe(9) atoms. In the twenty-second S site, S(22) is bonded in a 3-coordinate geometry to one La(12), one La(6), and one Fe(4) atom. In the twenty-third S site, S(23) is bonded in a 5-coordinate geometry to one La(1), one La(9), one Fe(10), and two equivalent Fe(8) atoms. In the twenty-fourth S site, S(24) is bonded in a 6-coordinate geometry to one La(10), one La(2), one La(6), one Fe(11), and two equivalent Fe(7) atoms. In the twenty-fifth S site, S(25) is bonded to two equivalent La(4), two equivalent La(8), and one Fe(3) atom to form a mixture of distorted edge and corner-sharing SLa4Fe square pyramids. In the twenty-sixth S site, S(26) is bonded to two equivalent La(3), two equivalent La(7), and one Fe(4) atom to form SLa4Fe square pyramids that share corners with two equivalent S(13)La4Fe trigonal bipyramids, corners with two equivalent S(14)La4Fe trigonal bipyramids, edges with two equivalent S(26)La4Fe square pyramids,  an edgeedge with one S(13)La4Fe trigonal bipyramid,  an edgeedge with one S(14)La4Fe trigonal bipyramid, and edges with two equivalent S(1)La3Fe2 trigonal bipyramids. In the twenty-seventh S site, S(27) is bonded in a 5-coordinate geometry to one La(3), two equivalent La(6), and two equivalent Fe(4) atoms. In the twenty-eighth S site, S(28) is bonded in a 6-coordinate geometry to one La(4), two equivalent La(5), one Fe(9), and two equivalent Fe(3) atoms. In the twenty-ninth S site, S(29) is bonded in a 6-coordinate geometry to one La(9), two equivalent La(12), one Fe(7), and two equivalent Fe(11) atoms. In the thirtieth S site, S(30) is bonded in a 6-coordinate geometry to one La(10), two equivalent La(11), one Fe(8), and two equivalent Fe(10) atoms. is represented by the CIF card [CIF]
data_La12Fe11S30
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.949
_cell_length_b   11.077
_cell_length_c   24.939
_cell_angle_alpha   91.997
_cell_angle_beta   85.459
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   1086.864
_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
  La  La0  1  0.875  0.066  0.250  1.0
  La  La1  1  0.124  0.546  0.752  1.0
  La  La2  1  0.542  0.058  0.917  1.0
  La  La3  1  0.458  0.559  0.083  1.0
  La  La4  1  0.873  0.448  0.254  1.0
  La  La5  1  0.127  0.937  0.746  1.0
  La  La6  1  0.541  0.439  0.918  1.0
  La  La7  1  0.460  0.936  0.079  1.0
  La  La8  1  0.794  0.963  0.412  1.0
  La  La9  1  0.204  0.469  0.591  1.0
  La  La10  1  0.792  0.577  0.417  1.0
  La  La11  1  0.204  0.090  0.592  1.0
  Fe  Fe12  1  0.973  0.279  0.054  1.0
  Fe  Fe13  1  0.031  0.770  0.937  1.0
  Fe  Fe14  1  0.897  0.746  0.205  1.0
  Fe  Fe15  1  0.106  0.234  0.788  1.0
  Fe  Fe16  1  0.436  0.239  0.128  1.0
  Fe  Fe17  1  0.566  0.749  0.869  1.0
  Fe  Fe18  1  0.699  0.799  0.602  1.0
  Fe  Fe19  1  0.300  0.289  0.399  1.0
  Fe  Fe20  1  0.362  0.783  0.276  1.0
  Fe  Fe21  1  0.767  0.271  0.465  1.0
  Fe  Fe22  1  0.232  0.776  0.536  1.0
  S  S23  1  0.600  0.388  0.801  1.0
  S  S24  1  0.400  0.900  0.200  1.0
  S  S25  1  0.934  0.094  0.132  1.0
  S  S26  1  0.063  0.607  0.873  1.0
  S  S27  1  0.933  0.397  0.133  1.0
  S  S28  1  0.067  0.895  0.866  1.0
  S  S29  1  0.671  0.965  0.658  1.0
  S  S30  1  0.328  0.455  0.345  1.0
  S  S31  1  0.718  0.274  0.565  1.0
  S  S32  1  0.282  0.771  0.437  1.0
  S  S33  1  0.731  0.632  0.538  1.0
  S  S34  1  0.269  0.130  0.462  1.0
  S  S35  1  0.997  0.460  0.006  1.0
  S  S36  1  0.005  0.945  0.990  1.0
  S  S37  1  0.486  0.186  0.028  1.0
  S  S38  1  0.513  0.702  0.974  1.0
  S  S39  1  0.664  0.487  0.672  1.0
  S  S40  1  0.337  0.972  0.326  1.0
  S  S41  1  0.615  0.743  0.770  1.0
  S  S42  1  0.385  0.254  0.230  1.0
  S  S43  1  0.846  0.700  0.308  1.0
  S  S44  1  0.150  0.200  0.700  1.0
  S  S45  1  0.818  0.215  0.363  1.0
  S  S46  1  0.182  0.732  0.637  1.0
  S  S47  1  0.948  0.746  0.105  1.0
  S  S48  1  0.052  0.246  0.897  1.0
  S  S49  1  0.600  0.087  0.801  1.0
  S  S50  1  0.398  0.600  0.203  1.0
  S  S51  1  0.734  0.932  0.532  1.0
  S  S52  1  0.265  0.425  0.471  1.0
[/CIF]
.