The compound described by Sm12Sn(GeS7)4 crystallizes in the triclinic P1 space group. There are twelve inequivalent Sm sites. In the first Sm site, Sm(1) is bonded in a 8-coordinate geometry to one S(1), one S(15), one S(17), one S(21), one S(25), one S(26), one S(5), and one S(9) atom. In the second Sm site, Sm(2) is bonded in a 8-coordinate geometry to one S(10), one S(16), one S(18), one S(2), one S(22), one S(25), one S(26), and one S(6) atom. In the third Sm site, Sm(3) is bonded in a 8-coordinate geometry to one S(1), one S(11), one S(18), one S(19), one S(27), one S(28), one S(5), and one S(7) atom. In the fourth Sm site, Sm(4) is bonded in a 8-coordinate geometry to one S(12), one S(17), one S(2), one S(20), one S(27), one S(28), one S(6), and one S(8) atom. In the fifth Sm site, Sm(5) is bonded in a 8-coordinate geometry to one S(1), one S(14), one S(19), one S(22), one S(23), one S(24), one S(7), and one S(9) atom. In the sixth Sm site, Sm(6) is bonded in a 8-coordinate geometry to one S(10), one S(13), one S(2), one S(20), one S(21), one S(23), one S(24), and one S(8) atom. In the seventh Sm site, Sm(7) is bonded in a 8-coordinate geometry to one S(10), one S(11), one S(15), one S(19), one S(20), one S(23), one S(27), and one S(4) atom. In the eighth Sm site, Sm(8) is bonded in a 8-coordinate geometry to one S(12), one S(16), one S(19), one S(20), one S(24), one S(28), one S(3), and one S(9) atom. In the ninth Sm site, Sm(9) is bonded in a 8-coordinate geometry to one S(11), one S(13), one S(21), one S(22), one S(24), one S(25), one S(4), and one S(6) atom. In the tenth Sm site, Sm(10) is bonded in a 8-coordinate geometry to one S(12), one S(14), one S(21), one S(22), one S(23), one S(26), one S(3), and one S(5) atom. In the eleventh Sm site, Sm(11) is bonded in a 8-coordinate geometry to one S(13), one S(15), one S(17), one S(18), one S(25), one S(28), one S(4), and one S(7) atom. In the twelfth Sm site, Sm(12) is bonded in a 8-coordinate geometry to one S(14), one S(16), one S(17), one S(18), one S(26), one S(27), one S(3), and one S(8) atom. Sn(1) is bonded in an octahedral geometry to one S(18), one S(19), one S(22), one S(24), one S(25), and one S(28) atom. There are four inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a tetrahedral geometry to one S(1), one S(10), one S(6), and one S(8) atom. In the second Ge site, Ge(2) is bonded in a tetrahedral geometry to one S(2), one S(5), one S(7), and one S(9) atom. In the third Ge site, Ge(3) is bonded in a tetrahedral geometry to one S(11), one S(13), one S(15), and one S(3) atom. In the fourth Ge site, Ge(4) is bonded in a tetrahedral geometry to one S(12), one S(14), one S(16), and one S(4) atom. There are twenty-eight inequivalent S sites. In the first S site, S(1) is bonded to one Sm(1), one Sm(3), one Sm(5), and one Ge(1) atom to form SSm3Ge tetrahedra that share  a cornercorner with one S(24)Sm4Sn trigonal bipyramid,  a cornercorner with one S(25)Sm4Sn trigonal bipyramid,  a cornercorner with one S(28)Sm4Sn trigonal bipyramid,  a cornercorner with one S(15)Sm3Ge trigonal pyramid,  a cornercorner with one S(17)Sm4 trigonal pyramid,  a cornercorner with one S(21)Sm4 trigonal pyramid,  a cornercorner with one S(23)Sm4 trigonal pyramid,  a cornercorner with one S(26)Sm4 trigonal pyramid, and  a cornercorner with one S(27)Sm4 trigonal pyramid. In the second S site, S(2) is bonded to one Sm(2), one Sm(4), one Sm(6), and one Ge(2) atom to form SSm3Ge tetrahedra that share  a cornercorner with one S(24)Sm4Sn trigonal bipyramid,  a cornercorner with one S(25)Sm4Sn trigonal bipyramid,  a cornercorner with one S(28)Sm4Sn trigonal bipyramid,  a cornercorner with one S(12)Sm3Ge trigonal pyramid,  a cornercorner with one S(17)Sm4 trigonal pyramid,  a cornercorner with one S(21)Sm4 trigonal pyramid,  a cornercorner with one S(23)Sm4 trigonal pyramid,  a cornercorner with one S(26)Sm4 trigonal pyramid,  a cornercorner with one S(27)Sm4 trigonal pyramid, and corners with two equivalent S(20)Sm4 trigonal pyramids. In the third S site, S(3) is bonded to one Sm(10), one Sm(12), one Sm(8), and one Ge(3) atom to form SSm3Ge tetrahedra that share  a cornercorner with one S(24)Sm4Sn trigonal bipyramid,  a cornercorner with one S(28)Sm4Sn trigonal bipyramid,  a cornercorner with one S(15)Sm3Ge trigonal pyramid,  a cornercorner with one S(17)Sm4 trigonal pyramid,  a cornercorner with one S(20)Sm4 trigonal pyramid,  a cornercorner with one S(21)Sm4 trigonal pyramid,  a cornercorner with one S(23)Sm4 trigonal pyramid,  a cornercorner with one S(27)Sm4 trigonal pyramid, corners with two equivalent S(26)Sm4 trigonal pyramids, and  an edgeedge with one S(12)Sm3Ge trigonal pyramid. In the fourth S site, S(4) is bonded to one Sm(11), one Sm(7), one Sm(9), and one Ge(4) atom to form SSm3Ge tetrahedra that share  a cornercorner with one S(24)Sm4Sn trigonal bipyramid,  a cornercorner with one S(28)Sm4Sn trigonal bipyramid, corners with two equivalent S(25)Sm4Sn trigonal bipyramids,  a cornercorner with one S(12)Sm3Ge trigonal pyramid,  a cornercorner with one S(17)Sm4 trigonal pyramid,  a cornercorner with one S(20)Sm4 trigonal pyramid,  a cornercorner with one S(21)Sm4 trigonal pyramid,  a cornercorner with one S(23)Sm4 trigonal pyramid,  a cornercorner with one S(27)Sm4 trigonal pyramid, and  an edgeedge with one S(15)Sm3Ge trigonal pyramid. In the fifth S site, S(5) is bonded in a distorted rectangular see-saw-like geometry to one Sm(1), one Sm(10), one Sm(3), and one Ge(2) atom. In the sixth S site, S(6) is bonded in a distorted rectangular see-saw-like geometry to one Sm(2), one Sm(4), one Sm(9), and one Ge(1) atom. In the seventh S site, S(7) is bonded in a distorted rectangular see-saw-like geometry to one Sm(11), one Sm(3), one Sm(5), and one Ge(2) atom. In the eighth S site, S(8) is bonded in a distorted rectangular see-saw-like geometry to one Sm(12), one Sm(4), one Sm(6), and one Ge(1) atom. In the ninth S site, S(9) is bonded in a distorted rectangular see-saw-like geometry to one Sm(1), one Sm(5), one Sm(8), and one Ge(2) atom. In the tenth S site, S(10) is bonded in a distorted rectangular see-saw-like geometry to one Sm(2), one Sm(6), one Sm(7), and one Ge(1) atom. In the eleventh S site, S(11) is bonded in a distorted rectangular see-saw-like geometry to one Sm(3), one Sm(7), one Sm(9), and one Ge(3) atom. In the twelfth S site, S(12) is bonded to one Sm(10), one Sm(4), one Sm(8), and one Ge(4) atom to form distorted SSm3Ge trigonal pyramids that share  a cornercorner with one S(2)Sm3Ge tetrahedra,  a cornercorner with one S(4)Sm3Ge tetrahedra,  a cornercorner with one S(24)Sm4Sn trigonal bipyramid,  a cornercorner with one S(17)Sm4 trigonal pyramid,  a cornercorner with one S(21)Sm4 trigonal pyramid,  a cornercorner with one S(23)Sm4 trigonal pyramid,  a cornercorner with one S(26)Sm4 trigonal pyramid,  a cornercorner with one S(27)Sm4 trigonal pyramid,  an edgeedge with one S(3)Sm3Ge tetrahedra,  an edgeedge with one S(28)Sm4Sn trigonal bipyramid, and  an edgeedge with one S(20)Sm4 trigonal pyramid. In the thirteenth S site, S(13) is bonded in a distorted rectangular see-saw-like geometry to one Sm(11), one Sm(6), one Sm(9), and one Ge(3) atom. In the fourteenth S site, S(14) is bonded in a distorted rectangular see-saw-like geometry to one Sm(10), one Sm(12), one Sm(5), and one Ge(4) atom. In the fifteenth S site, S(15) is bonded to one Sm(1), one Sm(11), one Sm(7), and one Ge(3) atom to form distorted SSm3Ge trigonal pyramids that share  a cornercorner with one S(1)Sm3Ge tetrahedra,  a cornercorner with one S(3)Sm3Ge tetrahedra,  a cornercorner with one S(28)Sm4Sn trigonal bipyramid,  a cornercorner with one S(20)Sm4 trigonal pyramid,  a cornercorner with one S(21)Sm4 trigonal pyramid,  a cornercorner with one S(23)Sm4 trigonal pyramid,  a cornercorner with one S(26)Sm4 trigonal pyramid,  a cornercorner with one S(27)Sm4 trigonal pyramid,  an edgeedge with one S(4)Sm3Ge tetrahedra,  an edgeedge with one S(25)Sm4Sn trigonal bipyramid, and  an edgeedge with one S(17)Sm4 trigonal pyramid. In the sixteenth S site, S(16) is bonded in a distorted rectangular see-saw-like geometry to one Sm(12), one Sm(2), one Sm(8), and one Ge(4) atom. In the seventeenth S site, S(17) is bonded to one Sm(1), one Sm(11), one Sm(12), and one Sm(4) atom to form distorted SSm4 trigonal pyramids that share  a cornercorner with one S(1)Sm3Ge tetrahedra,  a cornercorner with one S(2)Sm3Ge tetrahedra,  a cornercorner with one S(3)Sm3Ge tetrahedra,  a cornercorner with one S(4)Sm3Ge tetrahedra,  a cornercorner with one S(12)Sm3Ge trigonal pyramid,  a cornercorner with one S(20)Sm4 trigonal pyramid,  a cornercorner with one S(21)Sm4 trigonal pyramid,  an edgeedge with one S(25)Sm4Sn trigonal bipyramid,  an edgeedge with one S(28)Sm4Sn trigonal bipyramid,  an edgeedge with one S(15)Sm3Ge trigonal pyramid,  an edgeedge with one S(26)Sm4 trigonal pyramid, and  an edgeedge with one S(27)Sm4 trigonal pyramid. In the eighteenth S site, S(18) is bonded in a 5-coordinate geometry to one Sm(11), one Sm(12), one Sm(2), one Sm(3), and one Sn(1) atom. In the nineteenth S site, S(19) is bonded in a 5-coordinate geometry to one Sm(3), one Sm(5), one Sm(7), one Sm(8), and one Sn(1) atom. In the twentieth S site, S(20) is bonded to one Sm(4), one Sm(6), one Sm(7), and one Sm(8) atom to form distorted SSm4 trigonal pyramids that share  a cornercorner with one S(3)Sm3Ge tetrahedra,  a cornercorner with one S(4)Sm3Ge tetrahedra, corners with two equivalent S(2)Sm3Ge tetrahedra,  a cornercorner with one S(15)Sm3Ge trigonal pyramid,  a cornercorner with one S(17)Sm4 trigonal pyramid,  a cornercorner with one S(21)Sm4 trigonal pyramid,  an edgeedge with one S(24)Sm4Sn trigonal bipyramid,  an edgeedge with one S(28)Sm4Sn trigonal bipyramid,  an edgeedge with one S(12)Sm3Ge trigonal pyramid,  an edgeedge with one S(23)Sm4 trigonal pyramid, and  an edgeedge with one S(27)Sm4 trigonal pyramid. In the twenty-first S site, S(21) is bonded to one Sm(1), one Sm(10), one Sm(6), and one Sm(9) atom to form distorted SSm4 trigonal pyramids that share  a cornercorner with one S(1)Sm3Ge tetrahedra,  a cornercorner with one S(2)Sm3Ge tetrahedra,  a cornercorner with one S(3)Sm3Ge tetrahedra,  a cornercorner with one S(4)Sm3Ge tetrahedra,  a cornercorner with one S(12)Sm3Ge trigonal pyramid,  a cornercorner with one S(15)Sm3Ge trigonal pyramid,  a cornercorner with one S(17)Sm4 trigonal pyramid,  a cornercorner with one S(20)Sm4 trigonal pyramid,  an edgeedge with one S(24)Sm4Sn trigonal bipyramid,  an edgeedge with one S(25)Sm4Sn trigonal bipyramid,  an edgeedge with one S(23)Sm4 trigonal pyramid, and  an edgeedge with one S(26)Sm4 trigonal pyramid. In the twenty-second S site, S(22) is bonded in a 5-coordinate geometry to one Sm(10), one Sm(2), one Sm(5), one Sm(9), and one Sn(1) atom. In the twenty-third S site, S(23) is bonded to one Sm(10), one Sm(5), one Sm(6), and one Sm(7) atom to form distorted SSm4 trigonal pyramids that share  a cornercorner with one S(1)Sm3Ge tetrahedra,  a cornercorner with one S(2)Sm3Ge tetrahedra,  a cornercorner with one S(3)Sm3Ge tetrahedra,  a cornercorner with one S(4)Sm3Ge tetrahedra, corners with two equivalent S(24)Sm4Sn trigonal bipyramids,  a cornercorner with one S(12)Sm3Ge trigonal pyramid,  a cornercorner with one S(15)Sm3Ge trigonal pyramid,  a cornercorner with one S(26)Sm4 trigonal pyramid,  a cornercorner with one S(27)Sm4 trigonal pyramid,  an edgeedge with one S(20)Sm4 trigonal pyramid, and  an edgeedge with one S(21)Sm4 trigonal pyramid. In the twenty-fourth S site, S(24) is bonded to one Sm(5), one Sm(6), one Sm(8), one Sm(9), and one Sn(1) atom to form distorted SSm4Sn trigonal bipyramids that share  a cornercorner with one S(1)Sm3Ge tetrahedra,  a cornercorner with one S(2)Sm3Ge tetrahedra,  a cornercorner with one S(3)Sm3Ge tetrahedra,  a cornercorner with one S(4)Sm3Ge tetrahedra,  a cornercorner with one S(12)Sm3Ge trigonal pyramid, corners with two equivalent S(23)Sm4 trigonal pyramids,  an edgeedge with one S(25)Sm4Sn trigonal bipyramid,  an edgeedge with one S(28)Sm4Sn trigonal bipyramid,  an edgeedge with one S(20)Sm4 trigonal pyramid, and  an edgeedge with one S(21)Sm4 trigonal pyramid. In the twenty-fifth S site, S(25) is bonded to one Sm(1), one Sm(11), one Sm(2), one Sm(9), and one Sn(1) atom to form distorted SSm4Sn trigonal bipyramids that share  a cornercorner with one S(1)Sm3Ge tetrahedra,  a cornercorner with one S(2)Sm3Ge tetrahedra, corners with two equivalent S(4)Sm3Ge tetrahedra, corners with two equivalent S(26)Sm4 trigonal pyramids,  an edgeedge with one S(24)Sm4Sn trigonal bipyramid,  an edgeedge with one S(28)Sm4Sn trigonal bipyramid,  an edgeedge with one S(15)Sm3Ge trigonal pyramid,  an edgeedge with one S(17)Sm4 trigonal pyramid, and  an edgeedge with one S(21)Sm4 trigonal pyramid. In the twenty-sixth S site, S(26) is bonded to one Sm(1), one Sm(10), one Sm(12), and one Sm(2) atom to form distorted SSm4 trigonal pyramids that share  a cornercorner with one S(1)Sm3Ge tetrahedra,  a cornercorner with one S(2)Sm3Ge tetrahedra, corners with two equivalent S(3)Sm3Ge tetrahedra, corners with two equivalent S(25)Sm4Sn trigonal bipyramids,  a cornercorner with one S(12)Sm3Ge trigonal pyramid,  a cornercorner with one S(15)Sm3Ge trigonal pyramid,  a cornercorner with one S(23)Sm4 trigonal pyramid,  a cornercorner with one S(27)Sm4 trigonal pyramid,  an edgeedge with one S(17)Sm4 trigonal pyramid, and  an edgeedge with one S(21)Sm4 trigonal pyramid. In the twenty-seventh S site, S(27) is bonded to one Sm(12), one Sm(3), one Sm(4), and one Sm(7) atom to form distorted SSm4 trigonal pyramids that share  a cornercorner with one S(1)Sm3Ge tetrahedra,  a cornercorner with one S(2)Sm3Ge tetrahedra,  a cornercorner with one S(3)Sm3Ge tetrahedra,  a cornercorner with one S(4)Sm3Ge tetrahedra, corners with two equivalent S(28)Sm4Sn trigonal bipyramids,  a cornercorner with one S(12)Sm3Ge trigonal pyramid,  a cornercorner with one S(15)Sm3Ge trigonal pyramid,  a cornercorner with one S(23)Sm4 trigonal pyramid,  a cornercorner with one S(26)Sm4 trigonal pyramid,  an edgeedge with one S(17)Sm4 trigonal pyramid, and  an edgeedge with one S(20)Sm4 trigonal pyramid. In the twenty-eighth S site, S(28) is bonded to one Sm(11), one Sm(3), one Sm(4), one Sm(8), and one Sn(1) atom to form distorted SSm4Sn trigonal bipyramids that share  a cornercorner with one S(1)Sm3Ge tetrahedra,  a cornercorner with one S(2)Sm3Ge tetrahedra,  a cornercorner with one S(3)Sm3Ge tetrahedra,  a cornercorner with one S(4)Sm3Ge tetrahedra,  a cornercorner with one S(15)Sm3Ge trigonal pyramid, corners with two equivalent S(27)Sm4 trigonal pyramids,  an edgeedge with one S(24)Sm4Sn trigonal bipyramid,  an edgeedge with one S(25)Sm4Sn trigonal bipyramid,  an edgeedge with one S(12)Sm3Ge trigonal pyramid,  an edgeedge with one S(17)Sm4 trigonal pyramid, and  an edgeedge with one S(20)Sm4 trigonal pyramid. is represented by the Crystallographic Information File (CIF) [CIF]
data_Sm12Sn(GeS7)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.102
_cell_length_b   11.608
_cell_length_c   11.636
_cell_angle_alpha   119.870
_cell_angle_beta   115.712
_cell_angle_gamma   90.020
_symmetry_Int_Tables_number   1
_cell_volume   1024.302
_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
  Sm  Sm0  1  0.779  0.480  0.657  1.0
  Sm  Sm1  1  0.769  0.985  0.629  1.0
  Sm  Sm2  1  0.863  0.284  0.231  1.0
  Sm  Sm3  1  0.876  0.763  0.221  1.0
  Sm  Sm4  1  0.369  0.237  0.136  1.0
  Sm  Sm5  1  0.344  0.714  0.124  1.0
  Sm  Sm6  1  0.220  0.593  0.346  1.0
  Sm  Sm7  1  0.236  0.084  0.369  1.0
  Sm  Sm8  1  0.128  0.781  0.762  1.0
  Sm  Sm9  1  0.129  0.311  0.782  1.0
  Sm  Sm10  1  0.633  0.834  0.866  1.0
  Sm  Sm11  1  0.652  0.357  0.874  1.0
  Sn  Sn12  1  0.000  0.020  1.000  1.0
  Ge  Ge13  1  0.666  0.620  0.333  1.0
  Ge  Ge14  1  0.667  0.120  0.335  1.0
  Ge  Ge15  1  0.335  0.531  0.664  1.0
  Ge  Ge16  1  0.332  0.036  0.670  1.0
  S  S17  1  0.673  0.438  0.347  1.0
  S  S18  1  0.661  0.923  0.320  1.0
  S  S19  1  0.334  0.345  0.669  1.0
  S  S20  1  0.332  0.843  0.664  1.0
  S  S21  1  0.899  0.271  0.480  1.0
  S  S22  1  0.898  0.773  0.481  1.0
  S  S23  1  0.583  0.083  0.102  1.0
  S  S24  1  0.581  0.583  0.101  1.0
  S  S25  1  0.518  0.240  0.416  1.0
  S  S26  1  0.521  0.742  0.420  1.0
  S  S27  1  0.105  0.534  0.509  1.0
  S  S28  1  0.100  0.044  0.528  1.0
  S  S29  1  0.413  0.726  0.897  1.0
  S  S30  1  0.421  0.232  0.900  1.0
  S  S31  1  0.474  0.567  0.573  1.0
  S  S32  1  0.489  0.078  0.596  1.0
  S  S33  1  0.736  0.605  0.904  1.0
  S  S34  1  0.754  0.088  0.905  1.0
  S  S35  1  0.153  0.258  0.246  1.0
  S  S36  1  0.168  0.787  0.265  1.0
  S  S37  1  0.094  0.568  0.832  1.0
  S  S38  1  0.094  0.060  0.847  1.0
  S  S39  1  0.262  0.449  0.097  1.0
  S  S40  1  0.250  0.949  0.090  1.0
  S  S41  1  0.840  0.779  0.750  1.0
  S  S42  1  0.835  0.269  0.738  1.0
  S  S43  1  0.903  0.483  0.165  1.0
  S  S44  1  0.910  0.984  0.161  1.0
[/CIF]
.
The compound described by Sm12Sn(GeS7)4 crystallizes in the triclinic P1 space group. There are twelve inequivalent Sm sites. In the first Sm site, Sm(1) is bonded in a 8-coordinate geometry to one S(1), one S(15), one S(17), one S(21), one S(25), one S(26), one S(5), and one S(9) atom. In the second Sm site, Sm(2) is bonded in a 8-coordinate geometry to one S(10), one S(16), one S(18), one S(2), one S(22), one S(25), one S(26), and one S(6) atom. In the third Sm site, Sm(3) is bonded in a 8-coordinate geometry to one S(1), one S(11), one S(18), one S(19), one S(27), one S(28), one S(5), and one S(7) atom. In the fourth Sm site, Sm(4) is bonded in a 8-coordinate geometry to one S(12), one S(17), one S(2), one S(20), one S(27), one S(28), one S(6), and one S(8) atom. In the fifth Sm site, Sm(5) is bonded in a 8-coordinate geometry to one S(1), one S(14), one S(19), one S(22), one S(23), one S(24), one S(7), and one S(9) atom. In the sixth Sm site, Sm(6) is bonded in a 8-coordinate geometry to one S(10), one S(13), one S(2), one S(20), one S(21), one S(23), one S(24), and one S(8) atom. In the seventh Sm site, Sm(7) is bonded in a 8-coordinate geometry to one S(10), one S(11), one S(15), one S(19), one S(20), one S(23), one S(27), and one S(4) atom. In the eighth Sm site, Sm(8) is bonded in a 8-coordinate geometry to one S(12), one S(16), one S(19), one S(20), one S(24), one S(28), one S(3), and one S(9) atom. In the ninth Sm site, Sm(9) is bonded in a 8-coordinate geometry to one S(11), one S(13), one S(21), one S(22), one S(24), one S(25), one S(4), and one S(6) atom. In the tenth Sm site, Sm(10) is bonded in a 8-coordinate geometry to one S(12), one S(14), one S(21), one S(22), one S(23), one S(26), one S(3), and one S(5) atom. In the eleventh Sm site, Sm(11) is bonded in a 8-coordinate geometry to one S(13), one S(15), one S(17), one S(18), one S(25), one S(28), one S(4), and one S(7) atom. In the twelfth Sm site, Sm(12) is bonded in a 8-coordinate geometry to one S(14), one S(16), one S(17), one S(18), one S(26), one S(27), one S(3), and one S(8) atom. Sn(1) is bonded in an octahedral geometry to one S(18), one S(19), one S(22), one S(24), one S(25), and one S(28) atom. There are four inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a tetrahedral geometry to one S(1), one S(10), one S(6), and one S(8) atom. In the second Ge site, Ge(2) is bonded in a tetrahedral geometry to one S(2), one S(5), one S(7), and one S(9) atom. In the third Ge site, Ge(3) is bonded in a tetrahedral geometry to one S(11), one S(13), one S(15), and one S(3) atom. In the fourth Ge site, Ge(4) is bonded in a tetrahedral geometry to one S(12), one S(14), one S(16), and one S(4) atom. There are twenty-eight inequivalent S sites. In the first S site, S(1) is bonded to one Sm(1), one Sm(3), one Sm(5), and one Ge(1) atom to form SSm3Ge tetrahedra that share  a cornercorner with one S(24)Sm4Sn trigonal bipyramid,  a cornercorner with one S(25)Sm4Sn trigonal bipyramid,  a cornercorner with one S(28)Sm4Sn trigonal bipyramid,  a cornercorner with one S(15)Sm3Ge trigonal pyramid,  a cornercorner with one S(17)Sm4 trigonal pyramid,  a cornercorner with one S(21)Sm4 trigonal pyramid,  a cornercorner with one S(23)Sm4 trigonal pyramid,  a cornercorner with one S(26)Sm4 trigonal pyramid, and  a cornercorner with one S(27)Sm4 trigonal pyramid. In the second S site, S(2) is bonded to one Sm(2), one Sm(4), one Sm(6), and one Ge(2) atom to form SSm3Ge tetrahedra that share  a cornercorner with one S(24)Sm4Sn trigonal bipyramid,  a cornercorner with one S(25)Sm4Sn trigonal bipyramid,  a cornercorner with one S(28)Sm4Sn trigonal bipyramid,  a cornercorner with one S(12)Sm3Ge trigonal pyramid,  a cornercorner with one S(17)Sm4 trigonal pyramid,  a cornercorner with one S(21)Sm4 trigonal pyramid,  a cornercorner with one S(23)Sm4 trigonal pyramid,  a cornercorner with one S(26)Sm4 trigonal pyramid,  a cornercorner with one S(27)Sm4 trigonal pyramid, and corners with two equivalent S(20)Sm4 trigonal pyramids. In the third S site, S(3) is bonded to one Sm(10), one Sm(12), one Sm(8), and one Ge(3) atom to form SSm3Ge tetrahedra that share  a cornercorner with one S(24)Sm4Sn trigonal bipyramid,  a cornercorner with one S(28)Sm4Sn trigonal bipyramid,  a cornercorner with one S(15)Sm3Ge trigonal pyramid,  a cornercorner with one S(17)Sm4 trigonal pyramid,  a cornercorner with one S(20)Sm4 trigonal pyramid,  a cornercorner with one S(21)Sm4 trigonal pyramid,  a cornercorner with one S(23)Sm4 trigonal pyramid,  a cornercorner with one S(27)Sm4 trigonal pyramid, corners with two equivalent S(26)Sm4 trigonal pyramids, and  an edgeedge with one S(12)Sm3Ge trigonal pyramid. In the fourth S site, S(4) is bonded to one Sm(11), one Sm(7), one Sm(9), and one Ge(4) atom to form SSm3Ge tetrahedra that share  a cornercorner with one S(24)Sm4Sn trigonal bipyramid,  a cornercorner with one S(28)Sm4Sn trigonal bipyramid, corners with two equivalent S(25)Sm4Sn trigonal bipyramids,  a cornercorner with one S(12)Sm3Ge trigonal pyramid,  a cornercorner with one S(17)Sm4 trigonal pyramid,  a cornercorner with one S(20)Sm4 trigonal pyramid,  a cornercorner with one S(21)Sm4 trigonal pyramid,  a cornercorner with one S(23)Sm4 trigonal pyramid,  a cornercorner with one S(27)Sm4 trigonal pyramid, and  an edgeedge with one S(15)Sm3Ge trigonal pyramid. In the fifth S site, S(5) is bonded in a distorted rectangular see-saw-like geometry to one Sm(1), one Sm(10), one Sm(3), and one Ge(2) atom. In the sixth S site, S(6) is bonded in a distorted rectangular see-saw-like geometry to one Sm(2), one Sm(4), one Sm(9), and one Ge(1) atom. In the seventh S site, S(7) is bonded in a distorted rectangular see-saw-like geometry to one Sm(11), one Sm(3), one Sm(5), and one Ge(2) atom. In the eighth S site, S(8) is bonded in a distorted rectangular see-saw-like geometry to one Sm(12), one Sm(4), one Sm(6), and one Ge(1) atom. In the ninth S site, S(9) is bonded in a distorted rectangular see-saw-like geometry to one Sm(1), one Sm(5), one Sm(8), and one Ge(2) atom. In the tenth S site, S(10) is bonded in a distorted rectangular see-saw-like geometry to one Sm(2), one Sm(6), one Sm(7), and one Ge(1) atom. In the eleventh S site, S(11) is bonded in a distorted rectangular see-saw-like geometry to one Sm(3), one Sm(7), one Sm(9), and one Ge(3) atom. In the twelfth S site, S(12) is bonded to one Sm(10), one Sm(4), one Sm(8), and one Ge(4) atom to form distorted SSm3Ge trigonal pyramids that share  a cornercorner with one S(2)Sm3Ge tetrahedra,  a cornercorner with one S(4)Sm3Ge tetrahedra,  a cornercorner with one S(24)Sm4Sn trigonal bipyramid,  a cornercorner with one S(17)Sm4 trigonal pyramid,  a cornercorner with one S(21)Sm4 trigonal pyramid,  a cornercorner with one S(23)Sm4 trigonal pyramid,  a cornercorner with one S(26)Sm4 trigonal pyramid,  a cornercorner with one S(27)Sm4 trigonal pyramid,  an edgeedge with one S(3)Sm3Ge tetrahedra,  an edgeedge with one S(28)Sm4Sn trigonal bipyramid, and  an edgeedge with one S(20)Sm4 trigonal pyramid. In the thirteenth S site, S(13) is bonded in a distorted rectangular see-saw-like geometry to one Sm(11), one Sm(6), one Sm(9), and one Ge(3) atom. In the fourteenth S site, S(14) is bonded in a distorted rectangular see-saw-like geometry to one Sm(10), one Sm(12), one Sm(5), and one Ge(4) atom. In the fifteenth S site, S(15) is bonded to one Sm(1), one Sm(11), one Sm(7), and one Ge(3) atom to form distorted SSm3Ge trigonal pyramids that share  a cornercorner with one S(1)Sm3Ge tetrahedra,  a cornercorner with one S(3)Sm3Ge tetrahedra,  a cornercorner with one S(28)Sm4Sn trigonal bipyramid,  a cornercorner with one S(20)Sm4 trigonal pyramid,  a cornercorner with one S(21)Sm4 trigonal pyramid,  a cornercorner with one S(23)Sm4 trigonal pyramid,  a cornercorner with one S(26)Sm4 trigonal pyramid,  a cornercorner with one S(27)Sm4 trigonal pyramid,  an edgeedge with one S(4)Sm3Ge tetrahedra,  an edgeedge with one S(25)Sm4Sn trigonal bipyramid, and  an edgeedge with one S(17)Sm4 trigonal pyramid. In the sixteenth S site, S(16) is bonded in a distorted rectangular see-saw-like geometry to one Sm(12), one Sm(2), one Sm(8), and one Ge(4) atom. In the seventeenth S site, S(17) is bonded to one Sm(1), one Sm(11), one Sm(12), and one Sm(4) atom to form distorted SSm4 trigonal pyramids that share  a cornercorner with one S(1)Sm3Ge tetrahedra,  a cornercorner with one S(2)Sm3Ge tetrahedra,  a cornercorner with one S(3)Sm3Ge tetrahedra,  a cornercorner with one S(4)Sm3Ge tetrahedra,  a cornercorner with one S(12)Sm3Ge trigonal pyramid,  a cornercorner with one S(20)Sm4 trigonal pyramid,  a cornercorner with one S(21)Sm4 trigonal pyramid,  an edgeedge with one S(25)Sm4Sn trigonal bipyramid,  an edgeedge with one S(28)Sm4Sn trigonal bipyramid,  an edgeedge with one S(15)Sm3Ge trigonal pyramid,  an edgeedge with one S(26)Sm4 trigonal pyramid, and  an edgeedge with one S(27)Sm4 trigonal pyramid. In the eighteenth S site, S(18) is bonded in a 5-coordinate geometry to one Sm(11), one Sm(12), one Sm(2), one Sm(3), and one Sn(1) atom. In the nineteenth S site, S(19) is bonded in a 5-coordinate geometry to one Sm(3), one Sm(5), one Sm(7), one Sm(8), and one Sn(1) atom. In the twentieth S site, S(20) is bonded to one Sm(4), one Sm(6), one Sm(7), and one Sm(8) atom to form distorted SSm4 trigonal pyramids that share  a cornercorner with one S(3)Sm3Ge tetrahedra,  a cornercorner with one S(4)Sm3Ge tetrahedra, corners with two equivalent S(2)Sm3Ge tetrahedra,  a cornercorner with one S(15)Sm3Ge trigonal pyramid,  a cornercorner with one S(17)Sm4 trigonal pyramid,  a cornercorner with one S(21)Sm4 trigonal pyramid,  an edgeedge with one S(24)Sm4Sn trigonal bipyramid,  an edgeedge with one S(28)Sm4Sn trigonal bipyramid,  an edgeedge with one S(12)Sm3Ge trigonal pyramid,  an edgeedge with one S(23)Sm4 trigonal pyramid, and  an edgeedge with one S(27)Sm4 trigonal pyramid. In the twenty-first S site, S(21) is bonded to one Sm(1), one Sm(10), one Sm(6), and one Sm(9) atom to form distorted SSm4 trigonal pyramids that share  a cornercorner with one S(1)Sm3Ge tetrahedra,  a cornercorner with one S(2)Sm3Ge tetrahedra,  a cornercorner with one S(3)Sm3Ge tetrahedra,  a cornercorner with one S(4)Sm3Ge tetrahedra,  a cornercorner with one S(12)Sm3Ge trigonal pyramid,  a cornercorner with one S(15)Sm3Ge trigonal pyramid,  a cornercorner with one S(17)Sm4 trigonal pyramid,  a cornercorner with one S(20)Sm4 trigonal pyramid,  an edgeedge with one S(24)Sm4Sn trigonal bipyramid,  an edgeedge with one S(25)Sm4Sn trigonal bipyramid,  an edgeedge with one S(23)Sm4 trigonal pyramid, and  an edgeedge with one S(26)Sm4 trigonal pyramid. In the twenty-second S site, S(22) is bonded in a 5-coordinate geometry to one Sm(10), one Sm(2), one Sm(5), one Sm(9), and one Sn(1) atom. In the twenty-third S site, S(23) is bonded to one Sm(10), one Sm(5), one Sm(6), and one Sm(7) atom to form distorted SSm4 trigonal pyramids that share  a cornercorner with one S(1)Sm3Ge tetrahedra,  a cornercorner with one S(2)Sm3Ge tetrahedra,  a cornercorner with one S(3)Sm3Ge tetrahedra,  a cornercorner with one S(4)Sm3Ge tetrahedra, corners with two equivalent S(24)Sm4Sn trigonal bipyramids,  a cornercorner with one S(12)Sm3Ge trigonal pyramid,  a cornercorner with one S(15)Sm3Ge trigonal pyramid,  a cornercorner with one S(26)Sm4 trigonal pyramid,  a cornercorner with one S(27)Sm4 trigonal pyramid,  an edgeedge with one S(20)Sm4 trigonal pyramid, and  an edgeedge with one S(21)Sm4 trigonal pyramid. In the twenty-fourth S site, S(24) is bonded to one Sm(5), one Sm(6), one Sm(8), one Sm(9), and one Sn(1) atom to form distorted SSm4Sn trigonal bipyramids that share  a cornercorner with one S(1)Sm3Ge tetrahedra,  a cornercorner with one S(2)Sm3Ge tetrahedra,  a cornercorner with one S(3)Sm3Ge tetrahedra,  a cornercorner with one S(4)Sm3Ge tetrahedra,  a cornercorner with one S(12)Sm3Ge trigonal pyramid, corners with two equivalent S(23)Sm4 trigonal pyramids,  an edgeedge with one S(25)Sm4Sn trigonal bipyramid,  an edgeedge with one S(28)Sm4Sn trigonal bipyramid,  an edgeedge with one S(20)Sm4 trigonal pyramid, and  an edgeedge with one S(21)Sm4 trigonal pyramid. In the twenty-fifth S site, S(25) is bonded to one Sm(1), one Sm(11), one Sm(2), one Sm(9), and one Sn(1) atom to form distorted SSm4Sn trigonal bipyramids that share  a cornercorner with one S(1)Sm3Ge tetrahedra,  a cornercorner with one S(2)Sm3Ge tetrahedra, corners with two equivalent S(4)Sm3Ge tetrahedra, corners with two equivalent S(26)Sm4 trigonal pyramids,  an edgeedge with one S(24)Sm4Sn trigonal bipyramid,  an edgeedge with one S(28)Sm4Sn trigonal bipyramid,  an edgeedge with one S(15)Sm3Ge trigonal pyramid,  an edgeedge with one S(17)Sm4 trigonal pyramid, and  an edgeedge with one S(21)Sm4 trigonal pyramid. In the twenty-sixth S site, S(26) is bonded to one Sm(1), one Sm(10), one Sm(12), and one Sm(2) atom to form distorted SSm4 trigonal pyramids that share  a cornercorner with one S(1)Sm3Ge tetrahedra,  a cornercorner with one S(2)Sm3Ge tetrahedra, corners with two equivalent S(3)Sm3Ge tetrahedra, corners with two equivalent S(25)Sm4Sn trigonal bipyramids,  a cornercorner with one S(12)Sm3Ge trigonal pyramid,  a cornercorner with one S(15)Sm3Ge trigonal pyramid,  a cornercorner with one S(23)Sm4 trigonal pyramid,  a cornercorner with one S(27)Sm4 trigonal pyramid,  an edgeedge with one S(17)Sm4 trigonal pyramid, and  an edgeedge with one S(21)Sm4 trigonal pyramid. In the twenty-seventh S site, S(27) is bonded to one Sm(12), one Sm(3), one Sm(4), and one Sm(7) atom to form distorted SSm4 trigonal pyramids that share  a cornercorner with one S(1)Sm3Ge tetrahedra,  a cornercorner with one S(2)Sm3Ge tetrahedra,  a cornercorner with one S(3)Sm3Ge tetrahedra,  a cornercorner with one S(4)Sm3Ge tetrahedra, corners with two equivalent S(28)Sm4Sn trigonal bipyramids,  a cornercorner with one S(12)Sm3Ge trigonal pyramid,  a cornercorner with one S(15)Sm3Ge trigonal pyramid,  a cornercorner with one S(23)Sm4 trigonal pyramid,  a cornercorner with one S(26)Sm4 trigonal pyramid,  an edgeedge with one S(17)Sm4 trigonal pyramid, and  an edgeedge with one S(20)Sm4 trigonal pyramid. In the twenty-eighth S site, S(28) is bonded to one Sm(11), one Sm(3), one Sm(4), one Sm(8), and one Sn(1) atom to form distorted SSm4Sn trigonal bipyramids that share  a cornercorner with one S(1)Sm3Ge tetrahedra,  a cornercorner with one S(2)Sm3Ge tetrahedra,  a cornercorner with one S(3)Sm3Ge tetrahedra,  a cornercorner with one S(4)Sm3Ge tetrahedra,  a cornercorner with one S(15)Sm3Ge trigonal pyramid, corners with two equivalent S(27)Sm4 trigonal pyramids,  an edgeedge with one S(24)Sm4Sn trigonal bipyramid,  an edgeedge with one S(25)Sm4Sn trigonal bipyramid,  an edgeedge with one S(12)Sm3Ge trigonal pyramid,  an edgeedge with one S(17)Sm4 trigonal pyramid, and  an edgeedge with one S(20)Sm4 trigonal pyramid. is represented by the Crystallographic Information File (CIF) [CIF]
data_Sm12Sn(GeS7)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.102
_cell_length_b   11.608
_cell_length_c   11.636
_cell_angle_alpha   119.870
_cell_angle_beta   115.712
_cell_angle_gamma   90.020
_symmetry_Int_Tables_number   1
_cell_volume   1024.302
_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
  Sm  Sm0  1  0.779  0.480  0.657  1.0
  Sm  Sm1  1  0.769  0.985  0.629  1.0
  Sm  Sm2  1  0.863  0.284  0.231  1.0
  Sm  Sm3  1  0.876  0.763  0.221  1.0
  Sm  Sm4  1  0.369  0.237  0.136  1.0
  Sm  Sm5  1  0.344  0.714  0.124  1.0
  Sm  Sm6  1  0.220  0.593  0.346  1.0
  Sm  Sm7  1  0.236  0.084  0.369  1.0
  Sm  Sm8  1  0.128  0.781  0.762  1.0
  Sm  Sm9  1  0.129  0.311  0.782  1.0
  Sm  Sm10  1  0.633  0.834  0.866  1.0
  Sm  Sm11  1  0.652  0.357  0.874  1.0
  Sn  Sn12  1  0.000  0.020  1.000  1.0
  Ge  Ge13  1  0.666  0.620  0.333  1.0
  Ge  Ge14  1  0.667  0.120  0.335  1.0
  Ge  Ge15  1  0.335  0.531  0.664  1.0
  Ge  Ge16  1  0.332  0.036  0.670  1.0
  S  S17  1  0.673  0.438  0.347  1.0
  S  S18  1  0.661  0.923  0.320  1.0
  S  S19  1  0.334  0.345  0.669  1.0
  S  S20  1  0.332  0.843  0.664  1.0
  S  S21  1  0.899  0.271  0.480  1.0
  S  S22  1  0.898  0.773  0.481  1.0
  S  S23  1  0.583  0.083  0.102  1.0
  S  S24  1  0.581  0.583  0.101  1.0
  S  S25  1  0.518  0.240  0.416  1.0
  S  S26  1  0.521  0.742  0.420  1.0
  S  S27  1  0.105  0.534  0.509  1.0
  S  S28  1  0.100  0.044  0.528  1.0
  S  S29  1  0.413  0.726  0.897  1.0
  S  S30  1  0.421  0.232  0.900  1.0
  S  S31  1  0.474  0.567  0.573  1.0
  S  S32  1  0.489  0.078  0.596  1.0
  S  S33  1  0.736  0.605  0.904  1.0
  S  S34  1  0.754  0.088  0.905  1.0
  S  S35  1  0.153  0.258  0.246  1.0
  S  S36  1  0.168  0.787  0.265  1.0
  S  S37  1  0.094  0.568  0.832  1.0
  S  S38  1  0.094  0.060  0.847  1.0
  S  S39  1  0.262  0.449  0.097  1.0
  S  S40  1  0.250  0.949  0.090  1.0
  S  S41  1  0.840  0.779  0.750  1.0
  S  S42  1  0.835  0.269  0.738  1.0
  S  S43  1  0.903  0.483  0.165  1.0
  S  S44  1  0.910  0.984  0.161  1.0
[/CIF]
.