The structure described by Ba10Pr5Sn2(SbO10)3 crystallizes in the triclinic P-1 space group. There are five inequivalent Ba sites. In the first Ba site, Ba(1) is bonded to one O(1), one O(11), one O(12), one O(3), one O(5), one O(6), one O(7), one O(9), two equivalent O(10), and two equivalent O(2) atoms to form distorted BaO12 cuboctahedra that share corners with three equivalent Ba(2)O12 cuboctahedra, corners with three equivalent Ba(3)O12 cuboctahedra, corners with three equivalent Ba(4)O12 cuboctahedra, corners with three equivalent Ba(5)O12 cuboctahedra,  a faceface with one Ba(1)O12 cuboctahedra,  a faceface with one Ba(3)O12 cuboctahedra,  a faceface with one Ba(4)O12 cuboctahedra,  a faceface with one Ba(5)O12 cuboctahedra, faces with two equivalent Ba(2)O12 cuboctahedra,  a faceface with one Pr(2)O6 octahedra,  a faceface with one Pr(3)O6 octahedra,  a faceface with one Sb(1)O6 octahedra,  a faceface with one Sb(2)O6 octahedra, faces with two equivalent Pr(1)O6 octahedra, and faces with two equivalent Sn(1)O6 octahedra. In the second Ba site, Ba(2) is bonded to one O(1), one O(12), one O(15), one O(3), one O(5), one O(6), one O(7), one O(9), two equivalent O(2), and two equivalent O(4) atoms to form distorted BaO12 cuboctahedra that share corners with three equivalent Ba(1)O12 cuboctahedra, corners with three equivalent Ba(3)O12 cuboctahedra, corners with three equivalent Ba(4)O12 cuboctahedra, corners with three equivalent Ba(5)O12 cuboctahedra,  a faceface with one Ba(2)O12 cuboctahedra,  a faceface with one Ba(3)O12 cuboctahedra,  a faceface with one Ba(4)O12 cuboctahedra,  a faceface with one Ba(5)O12 cuboctahedra, faces with two equivalent Ba(1)O12 cuboctahedra,  a faceface with one Pr(2)O6 octahedra,  a faceface with one Pr(3)O6 octahedra,  a faceface with one Sb(1)O6 octahedra,  a faceface with one Sb(2)O6 octahedra, faces with two equivalent Pr(1)O6 octahedra, and faces with two equivalent Sn(1)O6 octahedra. In the third Ba site, Ba(3) is bonded to one O(1), one O(13), one O(3), one O(4), one O(5), one O(6), one O(7), one O(8), two equivalent O(11), and two equivalent O(14) atoms to form distorted BaO12 cuboctahedra that share corners with three equivalent Ba(1)O12 cuboctahedra, corners with three equivalent Ba(2)O12 cuboctahedra, corners with three equivalent Ba(4)O12 cuboctahedra, corners with three equivalent Ba(5)O12 cuboctahedra,  a faceface with one Ba(1)O12 cuboctahedra,  a faceface with one Ba(2)O12 cuboctahedra,  a faceface with one Ba(3)O12 cuboctahedra,  a faceface with one Ba(4)O12 cuboctahedra, faces with two equivalent Ba(5)O12 cuboctahedra,  a faceface with one Pr(1)O6 octahedra,  a faceface with one Pr(2)O6 octahedra,  a faceface with one Sn(1)O6 octahedra,  a faceface with one Sb(1)O6 octahedra, faces with two equivalent Pr(3)O6 octahedra, and faces with two equivalent Sb(2)O6 octahedra. In the fourth Ba site, Ba(4) is bonded to one O(10), one O(11), one O(15), one O(4), two equivalent O(12), two equivalent O(13), two equivalent O(8), and two equivalent O(9) atoms to form distorted BaO12 cuboctahedra that share corners with three equivalent Ba(1)O12 cuboctahedra, corners with three equivalent Ba(2)O12 cuboctahedra, corners with three equivalent Ba(3)O12 cuboctahedra, corners with three equivalent Ba(5)O12 cuboctahedra,  a faceface with one Ba(1)O12 cuboctahedra,  a faceface with one Ba(2)O12 cuboctahedra,  a faceface with one Ba(3)O12 cuboctahedra,  a faceface with one Ba(5)O12 cuboctahedra, faces with two equivalent Ba(4)O12 cuboctahedra, faces with two equivalent Pr(1)O6 octahedra, faces with two equivalent Pr(3)O6 octahedra, faces with two equivalent Sn(1)O6 octahedra, and faces with two equivalent Sb(2)O6 octahedra. In the fifth Ba site, Ba(5) is bonded to one O(1), one O(10), one O(13), one O(3), one O(5), one O(6), one O(7), one O(8), two equivalent O(14), and two equivalent O(15) atoms to form distorted BaO12 cuboctahedra that share corners with three equivalent Ba(1)O12 cuboctahedra, corners with three equivalent Ba(2)O12 cuboctahedra, corners with three equivalent Ba(3)O12 cuboctahedra, corners with three equivalent Ba(4)O12 cuboctahedra,  a faceface with one Ba(1)O12 cuboctahedra,  a faceface with one Ba(2)O12 cuboctahedra,  a faceface with one Ba(4)O12 cuboctahedra,  a faceface with one Ba(5)O12 cuboctahedra, faces with two equivalent Ba(3)O12 cuboctahedra,  a faceface with one Pr(1)O6 octahedra,  a faceface with one Pr(2)O6 octahedra,  a faceface with one Sn(1)O6 octahedra,  a faceface with one Sb(1)O6 octahedra, faces with two equivalent Pr(3)O6 octahedra, and faces with two equivalent Sb(2)O6 octahedra. There are three inequivalent Pr sites. In the first Pr site, Pr(1) is bonded to one O(10), one O(2), one O(3), one O(4), one O(8), and one O(9) atom to form PrO6 octahedra that share  a cornercorner with one Sb(1)O6 octahedra, corners with two equivalent Sb(2)O6 octahedra, corners with three equivalent Sn(1)O6 octahedra,  a faceface with one Ba(3)O12 cuboctahedra,  a faceface with one Ba(5)O12 cuboctahedra, faces with two equivalent Ba(1)O12 cuboctahedra, faces with two equivalent Ba(2)O12 cuboctahedra, and faces with two equivalent Ba(4)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 11-13°. In the second Pr site, Pr(2) is bonded to two equivalent O(5), two equivalent O(6), and two equivalent O(7) atoms to form PrO6 octahedra that share corners with two equivalent Sn(1)O6 octahedra, corners with two equivalent Sb(1)O6 octahedra, corners with two equivalent Sb(2)O6 octahedra, faces with two equivalent Ba(1)O12 cuboctahedra, faces with two equivalent Ba(2)O12 cuboctahedra, faces with two equivalent Ba(3)O12 cuboctahedra, and faces with two equivalent Ba(5)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 11-12°. In the third Pr site, Pr(3) is bonded to one O(1), one O(11), one O(12), one O(13), one O(14), and one O(15) atom to form PrO6 octahedra that share  a cornercorner with one Sb(1)O6 octahedra, corners with two equivalent Sn(1)O6 octahedra, corners with three equivalent Sb(2)O6 octahedra,  a faceface with one Ba(1)O12 cuboctahedra,  a faceface with one Ba(2)O12 cuboctahedra, faces with two equivalent Ba(3)O12 cuboctahedra, faces with two equivalent Ba(4)O12 cuboctahedra, and faces with two equivalent Ba(5)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 11-12°. Sn(1) is bonded to one O(10), one O(12), one O(13), one O(2), one O(4), and one O(6) atom to form SnO6 octahedra that share  a cornercorner with one Pr(2)O6 octahedra, corners with two equivalent Pr(3)O6 octahedra, corners with three equivalent Pr(1)O6 octahedra,  a faceface with one Ba(3)O12 cuboctahedra,  a faceface with one Ba(5)O12 cuboctahedra, faces with two equivalent Ba(1)O12 cuboctahedra, faces with two equivalent Ba(2)O12 cuboctahedra, and faces with two equivalent Ba(4)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 11-13°. There are two inequivalent Sb sites. In the first Sb site, Sb(1) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(5) atoms to form SbO6 octahedra that share corners with two equivalent Pr(1)O6 octahedra, corners with two equivalent Pr(2)O6 octahedra, corners with two equivalent Pr(3)O6 octahedra, faces with two equivalent Ba(1)O12 cuboctahedra, faces with two equivalent Ba(2)O12 cuboctahedra, faces with two equivalent Ba(3)O12 cuboctahedra, and faces with two equivalent Ba(5)O12 cuboctahedra. The corner-sharing octahedral tilt angles are 11°. In the second Sb site, Sb(2) is bonded to one O(11), one O(14), one O(15), one O(7), one O(8), and one O(9) atom to form SbO6 octahedra that share  a cornercorner with one Pr(2)O6 octahedra, corners with two equivalent Pr(1)O6 octahedra, corners with three equivalent Pr(3)O6 octahedra,  a faceface with one Ba(1)O12 cuboctahedra,  a faceface with one Ba(2)O12 cuboctahedra, faces with two equivalent Ba(3)O12 cuboctahedra, faces with two equivalent Ba(4)O12 cuboctahedra, and faces with two equivalent Ba(5)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 11-12°. There are fifteen inequivalent O sites. In the first O site, O(1) is bonded in a 2-coordinate geometry to one Ba(1), one Ba(2), one Ba(3), one Ba(5), one Pr(3), and one Sb(1) atom. In the second O site, O(2) is bonded in a 2-coordinate geometry to two equivalent Ba(1), two equivalent Ba(2), one Pr(1), and one Sn(1) atom. In the third O site, O(3) is bonded in a 2-coordinate geometry to one Ba(1), one Ba(2), one Ba(3), one Ba(5), one Pr(1), and one Sb(1) atom. In the fourth O site, O(4) is bonded in a 2-coordinate geometry to one Ba(3), one Ba(4), two equivalent Ba(2), one Pr(1), and one Sn(1) atom. In the fifth O site, O(5) is bonded in a 2-coordinate geometry to one Ba(1), one Ba(2), one Ba(3), one Ba(5), one Pr(2), and one Sb(1) atom. In the sixth O site, O(6) is bonded in a 2-coordinate geometry to one Ba(1), one Ba(2), one Ba(3), one Ba(5), one Pr(2), and one Sn(1) atom. In the seventh O site, O(7) is bonded in a 2-coordinate geometry to one Ba(1), one Ba(2), one Ba(3), one Ba(5), one Pr(2), and one Sb(2) atom. In the eighth O site, O(8) is bonded in a 2-coordinate geometry to one Ba(3), one Ba(5), two equivalent Ba(4), one Pr(1), and one Sb(2) atom. In the ninth O site, O(9) is bonded in a 2-coordinate geometry to one Ba(1), one Ba(2), two equivalent Ba(4), one Pr(1), and one Sb(2) atom. In the tenth O site, O(10) is bonded in a 2-coordinate geometry to one Ba(4), one Ba(5), two equivalent Ba(1), one Pr(1), and one Sn(1) atom. In the eleventh O site, O(11) is bonded in a 2-coordinate geometry to one Ba(1), one Ba(4), two equivalent Ba(3), one Pr(3), and one Sb(2) atom. In the twelfth O site, O(12) is bonded in a 2-coordinate geometry to one Ba(1), one Ba(2), two equivalent Ba(4), one Pr(3), and one Sn(1) atom. In the thirteenth O site, O(13) is bonded in a 2-coordinate geometry to one Ba(3), one Ba(5), two equivalent Ba(4), one Pr(3), and one Sn(1) atom. In the fourteenth O site, O(14) is bonded in a 2-coordinate geometry to two equivalent Ba(3), two equivalent Ba(5), one Pr(3), and one Sb(2) atom. In the fifteenth O site, O(15) is bonded in a 2-coordinate geometry to one Ba(2), one Ba(4), two equivalent Ba(5), one Pr(3), and one Sb(2) atom. is represented by the CIF file [CIF]
data_Ba10Pr5Sn2(SbO10)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   30.871
_cell_length_b   16.338
_cell_length_c   10.675
_cell_angle_alpha   29.304
_cell_angle_beta   30.100
_cell_angle_gamma   19.147
_symmetry_Int_Tables_number   1
_cell_volume   835.149
_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
  Ba  Ba0  1  0.100  0.250  0.250  1.0
  Ba  Ba1  1  0.300  0.250  0.249  1.0
  Ba  Ba2  1  0.100  0.750  0.751  1.0
  Ba  Ba3  1  0.500  0.249  0.252  1.0
  Ba  Ba4  1  0.300  0.750  0.750  1.0
  Ba  Ba5  1  0.700  0.252  0.248  1.0
  Ba  Ba6  1  0.500  0.751  0.751  1.0
  Ba  Ba7  1  0.900  0.249  0.249  1.0
  Ba  Ba8  1  0.700  0.748  0.752  1.0
  Ba  Ba9  1  0.900  0.751  0.748  1.0
  Pr  Pr10  1  0.998  0.502  0.501  1.0
  Pr  Pr11  1  0.200  0.500  0.500  1.0
  Pr  Pr12  1  0.402  0.498  0.499  1.0
  Pr  Pr13  1  0.599  0.501  0.502  1.0
  Pr  Pr14  1  0.801  0.499  0.498  1.0
  Sn  Sn15  1  0.999  0.001  0.001  1.0
  Sn  Sn16  1  0.401  0.999  0.999  1.0
  Sb  Sb17  1  0.200  0.000  0.000  1.0
  Sb  Sb18  1  0.600  0.000  0.000  1.0
  Sb  Sb19  1  0.800  1.000  1.000  1.0
  O  O20  1  0.024  0.195  0.263  1.0
  O  O21  1  0.218  0.201  0.273  1.0
  O  O22  1  0.094  0.229  0.806  1.0
  O  O23  1  0.023  0.727  0.235  1.0
  O  O24  1  0.179  0.265  0.771  1.0
  O  O25  1  0.109  0.764  0.201  1.0
  O  O26  1  0.423  0.195  0.265  1.0
  O  O27  1  0.291  0.236  0.799  1.0
  O  O28  1  0.221  0.735  0.229  1.0
  O  O29  1  0.377  0.273  0.765  1.0
  O  O30  1  0.306  0.771  0.194  1.0
  O  O31  1  0.182  0.799  0.727  1.0
  O  O32  1  0.624  0.195  0.263  1.0
  O  O33  1  0.495  0.228  0.806  1.0
  O  O34  1  0.421  0.728  0.236  1.0
  O  O35  1  0.579  0.265  0.772  1.0
  O  O36  1  0.510  0.763  0.201  1.0
  O  O37  1  0.376  0.805  0.737  1.0
  O  O38  1  0.817  0.201  0.274  1.0
  O  O39  1  0.695  0.228  0.805  1.0
  O  O40  1  0.621  0.735  0.230  1.0
  O  O41  1  0.779  0.265  0.770  1.0
  O  O42  1  0.705  0.772  0.195  1.0
  O  O43  1  0.583  0.799  0.726  1.0
  O  O44  1  0.890  0.237  0.799  1.0
  O  O45  1  0.821  0.735  0.228  1.0
  O  O46  1  0.979  0.272  0.764  1.0
  O  O47  1  0.905  0.772  0.194  1.0
  O  O48  1  0.776  0.805  0.737  1.0
  O  O49  1  0.977  0.805  0.735  1.0
[/CIF]
.
The structure described by Ba10Pr5Sn2(SbO10)3 crystallizes in the triclinic P-1 space group. There are five inequivalent Ba sites. In the first Ba site, Ba(1) is bonded to one O(1), one O(11), one O(12), one O(3), one O(5), one O(6), one O(7), one O(9), two equivalent O(10), and two equivalent O(2) atoms to form distorted BaO12 cuboctahedra that share corners with three equivalent Ba(2)O12 cuboctahedra, corners with three equivalent Ba(3)O12 cuboctahedra, corners with three equivalent Ba(4)O12 cuboctahedra, corners with three equivalent Ba(5)O12 cuboctahedra,  a faceface with one Ba(1)O12 cuboctahedra,  a faceface with one Ba(3)O12 cuboctahedra,  a faceface with one Ba(4)O12 cuboctahedra,  a faceface with one Ba(5)O12 cuboctahedra, faces with two equivalent Ba(2)O12 cuboctahedra,  a faceface with one Pr(2)O6 octahedra,  a faceface with one Pr(3)O6 octahedra,  a faceface with one Sb(1)O6 octahedra,  a faceface with one Sb(2)O6 octahedra, faces with two equivalent Pr(1)O6 octahedra, and faces with two equivalent Sn(1)O6 octahedra. In the second Ba site, Ba(2) is bonded to one O(1), one O(12), one O(15), one O(3), one O(5), one O(6), one O(7), one O(9), two equivalent O(2), and two equivalent O(4) atoms to form distorted BaO12 cuboctahedra that share corners with three equivalent Ba(1)O12 cuboctahedra, corners with three equivalent Ba(3)O12 cuboctahedra, corners with three equivalent Ba(4)O12 cuboctahedra, corners with three equivalent Ba(5)O12 cuboctahedra,  a faceface with one Ba(2)O12 cuboctahedra,  a faceface with one Ba(3)O12 cuboctahedra,  a faceface with one Ba(4)O12 cuboctahedra,  a faceface with one Ba(5)O12 cuboctahedra, faces with two equivalent Ba(1)O12 cuboctahedra,  a faceface with one Pr(2)O6 octahedra,  a faceface with one Pr(3)O6 octahedra,  a faceface with one Sb(1)O6 octahedra,  a faceface with one Sb(2)O6 octahedra, faces with two equivalent Pr(1)O6 octahedra, and faces with two equivalent Sn(1)O6 octahedra. In the third Ba site, Ba(3) is bonded to one O(1), one O(13), one O(3), one O(4), one O(5), one O(6), one O(7), one O(8), two equivalent O(11), and two equivalent O(14) atoms to form distorted BaO12 cuboctahedra that share corners with three equivalent Ba(1)O12 cuboctahedra, corners with three equivalent Ba(2)O12 cuboctahedra, corners with three equivalent Ba(4)O12 cuboctahedra, corners with three equivalent Ba(5)O12 cuboctahedra,  a faceface with one Ba(1)O12 cuboctahedra,  a faceface with one Ba(2)O12 cuboctahedra,  a faceface with one Ba(3)O12 cuboctahedra,  a faceface with one Ba(4)O12 cuboctahedra, faces with two equivalent Ba(5)O12 cuboctahedra,  a faceface with one Pr(1)O6 octahedra,  a faceface with one Pr(2)O6 octahedra,  a faceface with one Sn(1)O6 octahedra,  a faceface with one Sb(1)O6 octahedra, faces with two equivalent Pr(3)O6 octahedra, and faces with two equivalent Sb(2)O6 octahedra. In the fourth Ba site, Ba(4) is bonded to one O(10), one O(11), one O(15), one O(4), two equivalent O(12), two equivalent O(13), two equivalent O(8), and two equivalent O(9) atoms to form distorted BaO12 cuboctahedra that share corners with three equivalent Ba(1)O12 cuboctahedra, corners with three equivalent Ba(2)O12 cuboctahedra, corners with three equivalent Ba(3)O12 cuboctahedra, corners with three equivalent Ba(5)O12 cuboctahedra,  a faceface with one Ba(1)O12 cuboctahedra,  a faceface with one Ba(2)O12 cuboctahedra,  a faceface with one Ba(3)O12 cuboctahedra,  a faceface with one Ba(5)O12 cuboctahedra, faces with two equivalent Ba(4)O12 cuboctahedra, faces with two equivalent Pr(1)O6 octahedra, faces with two equivalent Pr(3)O6 octahedra, faces with two equivalent Sn(1)O6 octahedra, and faces with two equivalent Sb(2)O6 octahedra. In the fifth Ba site, Ba(5) is bonded to one O(1), one O(10), one O(13), one O(3), one O(5), one O(6), one O(7), one O(8), two equivalent O(14), and two equivalent O(15) atoms to form distorted BaO12 cuboctahedra that share corners with three equivalent Ba(1)O12 cuboctahedra, corners with three equivalent Ba(2)O12 cuboctahedra, corners with three equivalent Ba(3)O12 cuboctahedra, corners with three equivalent Ba(4)O12 cuboctahedra,  a faceface with one Ba(1)O12 cuboctahedra,  a faceface with one Ba(2)O12 cuboctahedra,  a faceface with one Ba(4)O12 cuboctahedra,  a faceface with one Ba(5)O12 cuboctahedra, faces with two equivalent Ba(3)O12 cuboctahedra,  a faceface with one Pr(1)O6 octahedra,  a faceface with one Pr(2)O6 octahedra,  a faceface with one Sn(1)O6 octahedra,  a faceface with one Sb(1)O6 octahedra, faces with two equivalent Pr(3)O6 octahedra, and faces with two equivalent Sb(2)O6 octahedra. There are three inequivalent Pr sites. In the first Pr site, Pr(1) is bonded to one O(10), one O(2), one O(3), one O(4), one O(8), and one O(9) atom to form PrO6 octahedra that share  a cornercorner with one Sb(1)O6 octahedra, corners with two equivalent Sb(2)O6 octahedra, corners with three equivalent Sn(1)O6 octahedra,  a faceface with one Ba(3)O12 cuboctahedra,  a faceface with one Ba(5)O12 cuboctahedra, faces with two equivalent Ba(1)O12 cuboctahedra, faces with two equivalent Ba(2)O12 cuboctahedra, and faces with two equivalent Ba(4)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 11-13°. In the second Pr site, Pr(2) is bonded to two equivalent O(5), two equivalent O(6), and two equivalent O(7) atoms to form PrO6 octahedra that share corners with two equivalent Sn(1)O6 octahedra, corners with two equivalent Sb(1)O6 octahedra, corners with two equivalent Sb(2)O6 octahedra, faces with two equivalent Ba(1)O12 cuboctahedra, faces with two equivalent Ba(2)O12 cuboctahedra, faces with two equivalent Ba(3)O12 cuboctahedra, and faces with two equivalent Ba(5)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 11-12°. In the third Pr site, Pr(3) is bonded to one O(1), one O(11), one O(12), one O(13), one O(14), and one O(15) atom to form PrO6 octahedra that share  a cornercorner with one Sb(1)O6 octahedra, corners with two equivalent Sn(1)O6 octahedra, corners with three equivalent Sb(2)O6 octahedra,  a faceface with one Ba(1)O12 cuboctahedra,  a faceface with one Ba(2)O12 cuboctahedra, faces with two equivalent Ba(3)O12 cuboctahedra, faces with two equivalent Ba(4)O12 cuboctahedra, and faces with two equivalent Ba(5)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 11-12°. Sn(1) is bonded to one O(10), one O(12), one O(13), one O(2), one O(4), and one O(6) atom to form SnO6 octahedra that share  a cornercorner with one Pr(2)O6 octahedra, corners with two equivalent Pr(3)O6 octahedra, corners with three equivalent Pr(1)O6 octahedra,  a faceface with one Ba(3)O12 cuboctahedra,  a faceface with one Ba(5)O12 cuboctahedra, faces with two equivalent Ba(1)O12 cuboctahedra, faces with two equivalent Ba(2)O12 cuboctahedra, and faces with two equivalent Ba(4)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 11-13°. There are two inequivalent Sb sites. In the first Sb site, Sb(1) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(5) atoms to form SbO6 octahedra that share corners with two equivalent Pr(1)O6 octahedra, corners with two equivalent Pr(2)O6 octahedra, corners with two equivalent Pr(3)O6 octahedra, faces with two equivalent Ba(1)O12 cuboctahedra, faces with two equivalent Ba(2)O12 cuboctahedra, faces with two equivalent Ba(3)O12 cuboctahedra, and faces with two equivalent Ba(5)O12 cuboctahedra. The corner-sharing octahedral tilt angles are 11°. In the second Sb site, Sb(2) is bonded to one O(11), one O(14), one O(15), one O(7), one O(8), and one O(9) atom to form SbO6 octahedra that share  a cornercorner with one Pr(2)O6 octahedra, corners with two equivalent Pr(1)O6 octahedra, corners with three equivalent Pr(3)O6 octahedra,  a faceface with one Ba(1)O12 cuboctahedra,  a faceface with one Ba(2)O12 cuboctahedra, faces with two equivalent Ba(3)O12 cuboctahedra, faces with two equivalent Ba(4)O12 cuboctahedra, and faces with two equivalent Ba(5)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 11-12°. There are fifteen inequivalent O sites. In the first O site, O(1) is bonded in a 2-coordinate geometry to one Ba(1), one Ba(2), one Ba(3), one Ba(5), one Pr(3), and one Sb(1) atom. In the second O site, O(2) is bonded in a 2-coordinate geometry to two equivalent Ba(1), two equivalent Ba(2), one Pr(1), and one Sn(1) atom. In the third O site, O(3) is bonded in a 2-coordinate geometry to one Ba(1), one Ba(2), one Ba(3), one Ba(5), one Pr(1), and one Sb(1) atom. In the fourth O site, O(4) is bonded in a 2-coordinate geometry to one Ba(3), one Ba(4), two equivalent Ba(2), one Pr(1), and one Sn(1) atom. In the fifth O site, O(5) is bonded in a 2-coordinate geometry to one Ba(1), one Ba(2), one Ba(3), one Ba(5), one Pr(2), and one Sb(1) atom. In the sixth O site, O(6) is bonded in a 2-coordinate geometry to one Ba(1), one Ba(2), one Ba(3), one Ba(5), one Pr(2), and one Sn(1) atom. In the seventh O site, O(7) is bonded in a 2-coordinate geometry to one Ba(1), one Ba(2), one Ba(3), one Ba(5), one Pr(2), and one Sb(2) atom. In the eighth O site, O(8) is bonded in a 2-coordinate geometry to one Ba(3), one Ba(5), two equivalent Ba(4), one Pr(1), and one Sb(2) atom. In the ninth O site, O(9) is bonded in a 2-coordinate geometry to one Ba(1), one Ba(2), two equivalent Ba(4), one Pr(1), and one Sb(2) atom. In the tenth O site, O(10) is bonded in a 2-coordinate geometry to one Ba(4), one Ba(5), two equivalent Ba(1), one Pr(1), and one Sn(1) atom. In the eleventh O site, O(11) is bonded in a 2-coordinate geometry to one Ba(1), one Ba(4), two equivalent Ba(3), one Pr(3), and one Sb(2) atom. In the twelfth O site, O(12) is bonded in a 2-coordinate geometry to one Ba(1), one Ba(2), two equivalent Ba(4), one Pr(3), and one Sn(1) atom. In the thirteenth O site, O(13) is bonded in a 2-coordinate geometry to one Ba(3), one Ba(5), two equivalent Ba(4), one Pr(3), and one Sn(1) atom. In the fourteenth O site, O(14) is bonded in a 2-coordinate geometry to two equivalent Ba(3), two equivalent Ba(5), one Pr(3), and one Sb(2) atom. In the fifteenth O site, O(15) is bonded in a 2-coordinate geometry to one Ba(2), one Ba(4), two equivalent Ba(5), one Pr(3), and one Sb(2) atom. is represented by the CIF file [CIF]
data_Ba10Pr5Sn2(SbO10)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   30.871
_cell_length_b   16.338
_cell_length_c   10.675
_cell_angle_alpha   29.304
_cell_angle_beta   30.100
_cell_angle_gamma   19.147
_symmetry_Int_Tables_number   1
_cell_volume   835.149
_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
  Ba  Ba0  1  0.100  0.250  0.250  1.0
  Ba  Ba1  1  0.300  0.250  0.249  1.0
  Ba  Ba2  1  0.100  0.750  0.751  1.0
  Ba  Ba3  1  0.500  0.249  0.252  1.0
  Ba  Ba4  1  0.300  0.750  0.750  1.0
  Ba  Ba5  1  0.700  0.252  0.248  1.0
  Ba  Ba6  1  0.500  0.751  0.751  1.0
  Ba  Ba7  1  0.900  0.249  0.249  1.0
  Ba  Ba8  1  0.700  0.748  0.752  1.0
  Ba  Ba9  1  0.900  0.751  0.748  1.0
  Pr  Pr10  1  0.998  0.502  0.501  1.0
  Pr  Pr11  1  0.200  0.500  0.500  1.0
  Pr  Pr12  1  0.402  0.498  0.499  1.0
  Pr  Pr13  1  0.599  0.501  0.502  1.0
  Pr  Pr14  1  0.801  0.499  0.498  1.0
  Sn  Sn15  1  0.999  0.001  0.001  1.0
  Sn  Sn16  1  0.401  0.999  0.999  1.0
  Sb  Sb17  1  0.200  0.000  0.000  1.0
  Sb  Sb18  1  0.600  0.000  0.000  1.0
  Sb  Sb19  1  0.800  1.000  1.000  1.0
  O  O20  1  0.024  0.195  0.263  1.0
  O  O21  1  0.218  0.201  0.273  1.0
  O  O22  1  0.094  0.229  0.806  1.0
  O  O23  1  0.023  0.727  0.235  1.0
  O  O24  1  0.179  0.265  0.771  1.0
  O  O25  1  0.109  0.764  0.201  1.0
  O  O26  1  0.423  0.195  0.265  1.0
  O  O27  1  0.291  0.236  0.799  1.0
  O  O28  1  0.221  0.735  0.229  1.0
  O  O29  1  0.377  0.273  0.765  1.0
  O  O30  1  0.306  0.771  0.194  1.0
  O  O31  1  0.182  0.799  0.727  1.0
  O  O32  1  0.624  0.195  0.263  1.0
  O  O33  1  0.495  0.228  0.806  1.0
  O  O34  1  0.421  0.728  0.236  1.0
  O  O35  1  0.579  0.265  0.772  1.0
  O  O36  1  0.510  0.763  0.201  1.0
  O  O37  1  0.376  0.805  0.737  1.0
  O  O38  1  0.817  0.201  0.274  1.0
  O  O39  1  0.695  0.228  0.805  1.0
  O  O40  1  0.621  0.735  0.230  1.0
  O  O41  1  0.779  0.265  0.770  1.0
  O  O42  1  0.705  0.772  0.195  1.0
  O  O43  1  0.583  0.799  0.726  1.0
  O  O44  1  0.890  0.237  0.799  1.0
  O  O45  1  0.821  0.735  0.228  1.0
  O  O46  1  0.979  0.272  0.764  1.0
  O  O47  1  0.905  0.772  0.194  1.0
  O  O48  1  0.776  0.805  0.737  1.0
  O  O49  1  0.977  0.805  0.735  1.0
[/CIF]
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