The crystal structure described by Ba10Pr5Nb(Sn2O15)2 crystallizes in the triclinic P-1 space group. There are five inequivalent Ba sites. In the first Ba site, Ba(1) is bonded in a 12-coordinate geometry to one O(12), one O(4), one O(7), one O(8), two equivalent O(1), two equivalent O(2), two equivalent O(6), and two equivalent O(9) atoms. In the second Ba site, Ba(2) is bonded in a 12-coordinate geometry to one O(1), one O(11), one O(13), one O(14), one O(15), one O(2), one O(5), one O(8), two equivalent O(3), and two equivalent O(4) atoms. In the third Ba site, Ba(3) is bonded in a 12-coordinate geometry to one O(11), one O(13), one O(14), one O(15), one O(5), one O(6), one O(7), one O(9), two equivalent O(10), and two equivalent O(8) atoms. In the fourth Ba site, Ba(4) is bonded in a 12-coordinate geometry to one O(1), one O(11), one O(12), one O(13), one O(14), one O(15), one O(2), one O(5), two equivalent O(3), and two equivalent O(7) atoms. In the fifth Ba site, Ba(5) is bonded in a 12-coordinate geometry to one O(11), one O(13), one O(14), one O(15), one O(4), one O(5), one O(6), one O(9), two equivalent O(10), and two equivalent O(12) atoms. There are three inequivalent Pr sites. In the first Pr site, Pr(1) is bonded to one O(1), one O(15), one O(3), one O(4), one O(7), and one O(9) atom to form PrO6 octahedra that share  a cornercorner with one Nb(1)O6 octahedra, corners with two equivalent Sn(2)O6 octahedra, and corners with three equivalent Sn(1)O6 octahedra. The corner-sharing octahedral tilt angles are 14°. In the second Pr site, Pr(2) is bonded to one O(10), one O(12), one O(14), one O(2), one O(6), and one O(8) atom to form PrO6 octahedra that share  a cornercorner with one Nb(1)O6 octahedra, corners with two equivalent Sn(1)O6 octahedra, and corners with three equivalent Sn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 13-15°. In the third Pr site, Pr(3) is bonded to two equivalent O(11), two equivalent O(13), and two equivalent O(5) atoms to form PrO6 octahedra that share corners with two equivalent Nb(1)O6 octahedra, corners with two equivalent Sn(1)O6 octahedra, and corners with two equivalent Sn(2)O6 octahedra. The corner-sharing octahedral tilt angles are 14°. Nb(1) is bonded to two equivalent O(13), two equivalent O(14), and two equivalent O(15) atoms to form NbO6 octahedra that share corners with two equivalent Pr(1)O6 octahedra, corners with two equivalent Pr(2)O6 octahedra, and corners with two equivalent Pr(3)O6 octahedra. The corner-sharing octahedral tilt angles are 14°. There are two inequivalent Sn sites. In the first Sn site, Sn(1) is bonded to one O(2), one O(3), one O(4), one O(5), one O(6), and one O(7) atom to form SnO6 octahedra that share  a cornercorner with one Pr(3)O6 octahedra, corners with two equivalent Pr(2)O6 octahedra, and corners with three equivalent Pr(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 13-15°. In the second Sn site, Sn(2) is bonded to one O(1), one O(10), one O(11), one O(12), one O(8), and one O(9) atom to form SnO6 octahedra that share  a cornercorner with one Pr(3)O6 octahedra, corners with two equivalent Pr(1)O6 octahedra, and corners with three equivalent Pr(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 13-15°. There are fifteen inequivalent O sites. In the first O site, O(1) is bonded in a 2-coordinate geometry to one Ba(2), one Ba(4), two equivalent Ba(1), one Pr(1), and one Sn(2) atom. In the second O site, O(2) is bonded in a 2-coordinate geometry to one Ba(2), one Ba(4), two equivalent Ba(1), one Pr(2), and one Sn(1) atom. In the third O site, O(3) is bonded in a 2-coordinate geometry to two equivalent Ba(2), two equivalent Ba(4), one Pr(1), and one Sn(1) atom. In the fourth O site, O(4) is bonded in a 2-coordinate geometry to one Ba(1), one Ba(5), 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(2), one Ba(3), one Ba(4), one Ba(5), one Pr(3), and one Sn(1) atom. In the sixth O site, O(6) is bonded in a 2-coordinate geometry to one Ba(3), one Ba(5), two equivalent Ba(1), 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(3), two equivalent Ba(4), one Pr(1), and one Sn(1) atom. In the eighth O site, O(8) is bonded in a 2-coordinate geometry to one Ba(1), one Ba(2), two equivalent Ba(3), one Pr(2), and one Sn(2) atom. In the ninth O site, O(9) is bonded in a 2-coordinate geometry to one Ba(3), one Ba(5), two equivalent Ba(1), one Pr(1), and one Sn(2) atom. In the tenth O site, O(10) is bonded in a 2-coordinate geometry to two equivalent Ba(3), two equivalent Ba(5), one Pr(2), and one Sn(2) atom. In the eleventh O site, O(11) is bonded in a 2-coordinate geometry to one Ba(2), one Ba(3), one Ba(4), one Ba(5), one Pr(3), and one Sn(2) atom. In the twelfth O site, O(12) is bonded in a 2-coordinate geometry to one Ba(1), one Ba(4), two equivalent Ba(5), one Pr(2), and one Sn(2) atom. In the thirteenth O site, O(13) is bonded in a 2-coordinate geometry to one Ba(2), one Ba(3), one Ba(4), one Ba(5), one Pr(3), and one Nb(1) atom. In the fourteenth O site, O(14) is bonded in a 2-coordinate geometry to one Ba(2), one Ba(3), one Ba(4), one Ba(5), one Pr(2), and one Nb(1) atom. In the fifteenth O site, O(15) is bonded in a 2-coordinate geometry to one Ba(2), one Ba(3), one Ba(4), one Ba(5), one Pr(1), and one Nb(1) atom. is represented by the CIF card [CIF]
data_Ba10Pr5Nb(Sn2O15)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.800
_cell_length_b   10.738
_cell_length_c   10.783
_cell_angle_alpha   80.656
_cell_angle_beta   113.973
_cell_angle_gamma   113.871
_symmetry_Int_Tables_number   1
_cell_volume   851.314
_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  0.250  0.001  0.000  1.0
  Ba  Ba1  1  0.849  0.400  0.802  1.0
  Ba  Ba2  1  0.750  0.999  1.000  1.0
  Ba  Ba3  1  0.452  0.802  0.601  1.0
  Ba  Ba4  1  0.352  0.399  0.801  1.0
  Ba  Ba5  1  0.050  0.199  0.399  1.0
  Ba  Ba6  1  0.950  0.801  0.601  1.0
  Ba  Ba7  1  0.648  0.601  0.199  1.0
  Ba  Ba8  1  0.548  0.198  0.399  1.0
  Ba  Ba9  1  0.151  0.600  0.198  1.0
  Pr  Pr10  1  0.700  0.300  0.100  1.0
  Pr  Pr11  1  0.300  0.700  0.900  1.0
  Pr  Pr12  1  0.901  0.100  0.701  1.0
  Pr  Pr13  1  0.500  0.500  0.500  1.0
  Pr  Pr14  1  0.099  0.900  0.299  1.0
  Nb  Nb15  1  0.000  0.500  0.500  1.0
  Sn  Sn16  1  0.200  0.300  0.100  1.0
  Sn  Sn17  1  0.800  0.700  0.900  1.0
  Sn  Sn18  1  0.400  0.100  0.700  1.0
  Sn  Sn19  1  0.600  0.900  0.300  1.0
  O  O20  1  0.485  0.822  0.103  1.0
  O  O21  1  0.085  0.224  0.903  1.0
  O  O22  1  0.281  0.497  0.023  1.0
  O  O23  1  0.957  0.310  0.075  1.0
  O  O24  1  0.043  0.690  0.925  1.0
  O  O25  1  0.719  0.503  0.977  1.0
  O  O26  1  0.685  0.622  0.703  1.0
  O  O27  1  0.881  0.897  0.823  1.0
  O  O28  1  0.556  0.708  0.874  1.0
  O  O29  1  0.644  0.091  0.725  1.0
  O  O30  1  0.318  0.903  0.775  1.0
  O  O31  1  0.515  0.178  0.897  1.0
  O  O32  1  0.285  0.022  0.503  1.0
  O  O33  1  0.482  0.298  0.623  1.0
  O  O34  1  0.156  0.110  0.673  1.0
  O  O35  1  0.235  0.490  0.525  1.0
  O  O36  1  0.920  0.309  0.573  1.0
  O  O37  1  0.110  0.574  0.690  1.0
  O  O38  1  0.890  0.426  0.310  1.0
  O  O39  1  0.080  0.691  0.427  1.0
  O  O40  1  0.765  0.510  0.475  1.0
  O  O41  1  0.844  0.890  0.327  1.0
  O  O42  1  0.518  0.702  0.377  1.0
  O  O43  1  0.715  0.978  0.497  1.0
  O  O44  1  0.682  0.097  0.225  1.0
  O  O45  1  0.356  0.909  0.275  1.0
  O  O46  1  0.444  0.292  0.126  1.0
  O  O47  1  0.119  0.103  0.177  1.0
  O  O48  1  0.315  0.378  0.297  1.0
  O  O49  1  0.915  0.776  0.097  1.0
[/CIF]
.
The crystal structure described by Ba10Pr5Nb(Sn2O15)2 crystallizes in the triclinic P-1 space group. There are five inequivalent Ba sites. In the first Ba site, Ba(1) is bonded in a 12-coordinate geometry to one O(12), one O(4), one O(7), one O(8), two equivalent O(1), two equivalent O(2), two equivalent O(6), and two equivalent O(9) atoms. In the second Ba site, Ba(2) is bonded in a 12-coordinate geometry to one O(1), one O(11), one O(13), one O(14), one O(15), one O(2), one O(5), one O(8), two equivalent O(3), and two equivalent O(4) atoms. In the third Ba site, Ba(3) is bonded in a 12-coordinate geometry to one O(11), one O(13), one O(14), one O(15), one O(5), one O(6), one O(7), one O(9), two equivalent O(10), and two equivalent O(8) atoms. In the fourth Ba site, Ba(4) is bonded in a 12-coordinate geometry to one O(1), one O(11), one O(12), one O(13), one O(14), one O(15), one O(2), one O(5), two equivalent O(3), and two equivalent O(7) atoms. In the fifth Ba site, Ba(5) is bonded in a 12-coordinate geometry to one O(11), one O(13), one O(14), one O(15), one O(4), one O(5), one O(6), one O(9), two equivalent O(10), and two equivalent O(12) atoms. There are three inequivalent Pr sites. In the first Pr site, Pr(1) is bonded to one O(1), one O(15), one O(3), one O(4), one O(7), and one O(9) atom to form PrO6 octahedra that share  a cornercorner with one Nb(1)O6 octahedra, corners with two equivalent Sn(2)O6 octahedra, and corners with three equivalent Sn(1)O6 octahedra. The corner-sharing octahedral tilt angles are 14°. In the second Pr site, Pr(2) is bonded to one O(10), one O(12), one O(14), one O(2), one O(6), and one O(8) atom to form PrO6 octahedra that share  a cornercorner with one Nb(1)O6 octahedra, corners with two equivalent Sn(1)O6 octahedra, and corners with three equivalent Sn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 13-15°. In the third Pr site, Pr(3) is bonded to two equivalent O(11), two equivalent O(13), and two equivalent O(5) atoms to form PrO6 octahedra that share corners with two equivalent Nb(1)O6 octahedra, corners with two equivalent Sn(1)O6 octahedra, and corners with two equivalent Sn(2)O6 octahedra. The corner-sharing octahedral tilt angles are 14°. Nb(1) is bonded to two equivalent O(13), two equivalent O(14), and two equivalent O(15) atoms to form NbO6 octahedra that share corners with two equivalent Pr(1)O6 octahedra, corners with two equivalent Pr(2)O6 octahedra, and corners with two equivalent Pr(3)O6 octahedra. The corner-sharing octahedral tilt angles are 14°. There are two inequivalent Sn sites. In the first Sn site, Sn(1) is bonded to one O(2), one O(3), one O(4), one O(5), one O(6), and one O(7) atom to form SnO6 octahedra that share  a cornercorner with one Pr(3)O6 octahedra, corners with two equivalent Pr(2)O6 octahedra, and corners with three equivalent Pr(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 13-15°. In the second Sn site, Sn(2) is bonded to one O(1), one O(10), one O(11), one O(12), one O(8), and one O(9) atom to form SnO6 octahedra that share  a cornercorner with one Pr(3)O6 octahedra, corners with two equivalent Pr(1)O6 octahedra, and corners with three equivalent Pr(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 13-15°. There are fifteen inequivalent O sites. In the first O site, O(1) is bonded in a 2-coordinate geometry to one Ba(2), one Ba(4), two equivalent Ba(1), one Pr(1), and one Sn(2) atom. In the second O site, O(2) is bonded in a 2-coordinate geometry to one Ba(2), one Ba(4), two equivalent Ba(1), one Pr(2), and one Sn(1) atom. In the third O site, O(3) is bonded in a 2-coordinate geometry to two equivalent Ba(2), two equivalent Ba(4), one Pr(1), and one Sn(1) atom. In the fourth O site, O(4) is bonded in a 2-coordinate geometry to one Ba(1), one Ba(5), 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(2), one Ba(3), one Ba(4), one Ba(5), one Pr(3), and one Sn(1) atom. In the sixth O site, O(6) is bonded in a 2-coordinate geometry to one Ba(3), one Ba(5), two equivalent Ba(1), 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(3), two equivalent Ba(4), one Pr(1), and one Sn(1) atom. In the eighth O site, O(8) is bonded in a 2-coordinate geometry to one Ba(1), one Ba(2), two equivalent Ba(3), one Pr(2), and one Sn(2) atom. In the ninth O site, O(9) is bonded in a 2-coordinate geometry to one Ba(3), one Ba(5), two equivalent Ba(1), one Pr(1), and one Sn(2) atom. In the tenth O site, O(10) is bonded in a 2-coordinate geometry to two equivalent Ba(3), two equivalent Ba(5), one Pr(2), and one Sn(2) atom. In the eleventh O site, O(11) is bonded in a 2-coordinate geometry to one Ba(2), one Ba(3), one Ba(4), one Ba(5), one Pr(3), and one Sn(2) atom. In the twelfth O site, O(12) is bonded in a 2-coordinate geometry to one Ba(1), one Ba(4), two equivalent Ba(5), one Pr(2), and one Sn(2) atom. In the thirteenth O site, O(13) is bonded in a 2-coordinate geometry to one Ba(2), one Ba(3), one Ba(4), one Ba(5), one Pr(3), and one Nb(1) atom. In the fourteenth O site, O(14) is bonded in a 2-coordinate geometry to one Ba(2), one Ba(3), one Ba(4), one Ba(5), one Pr(2), and one Nb(1) atom. In the fifteenth O site, O(15) is bonded in a 2-coordinate geometry to one Ba(2), one Ba(3), one Ba(4), one Ba(5), one Pr(1), and one Nb(1) atom. is represented by the CIF card [CIF]
data_Ba10Pr5Nb(Sn2O15)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.800
_cell_length_b   10.738
_cell_length_c   10.783
_cell_angle_alpha   80.656
_cell_angle_beta   113.973
_cell_angle_gamma   113.871
_symmetry_Int_Tables_number   1
_cell_volume   851.314
_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  0.250  0.001  0.000  1.0
  Ba  Ba1  1  0.849  0.400  0.802  1.0
  Ba  Ba2  1  0.750  0.999  1.000  1.0
  Ba  Ba3  1  0.452  0.802  0.601  1.0
  Ba  Ba4  1  0.352  0.399  0.801  1.0
  Ba  Ba5  1  0.050  0.199  0.399  1.0
  Ba  Ba6  1  0.950  0.801  0.601  1.0
  Ba  Ba7  1  0.648  0.601  0.199  1.0
  Ba  Ba8  1  0.548  0.198  0.399  1.0
  Ba  Ba9  1  0.151  0.600  0.198  1.0
  Pr  Pr10  1  0.700  0.300  0.100  1.0
  Pr  Pr11  1  0.300  0.700  0.900  1.0
  Pr  Pr12  1  0.901  0.100  0.701  1.0
  Pr  Pr13  1  0.500  0.500  0.500  1.0
  Pr  Pr14  1  0.099  0.900  0.299  1.0
  Nb  Nb15  1  0.000  0.500  0.500  1.0
  Sn  Sn16  1  0.200  0.300  0.100  1.0
  Sn  Sn17  1  0.800  0.700  0.900  1.0
  Sn  Sn18  1  0.400  0.100  0.700  1.0
  Sn  Sn19  1  0.600  0.900  0.300  1.0
  O  O20  1  0.485  0.822  0.103  1.0
  O  O21  1  0.085  0.224  0.903  1.0
  O  O22  1  0.281  0.497  0.023  1.0
  O  O23  1  0.957  0.310  0.075  1.0
  O  O24  1  0.043  0.690  0.925  1.0
  O  O25  1  0.719  0.503  0.977  1.0
  O  O26  1  0.685  0.622  0.703  1.0
  O  O27  1  0.881  0.897  0.823  1.0
  O  O28  1  0.556  0.708  0.874  1.0
  O  O29  1  0.644  0.091  0.725  1.0
  O  O30  1  0.318  0.903  0.775  1.0
  O  O31  1  0.515  0.178  0.897  1.0
  O  O32  1  0.285  0.022  0.503  1.0
  O  O33  1  0.482  0.298  0.623  1.0
  O  O34  1  0.156  0.110  0.673  1.0
  O  O35  1  0.235  0.490  0.525  1.0
  O  O36  1  0.920  0.309  0.573  1.0
  O  O37  1  0.110  0.574  0.690  1.0
  O  O38  1  0.890  0.426  0.310  1.0
  O  O39  1  0.080  0.691  0.427  1.0
  O  O40  1  0.765  0.510  0.475  1.0
  O  O41  1  0.844  0.890  0.327  1.0
  O  O42  1  0.518  0.702  0.377  1.0
  O  O43  1  0.715  0.978  0.497  1.0
  O  O44  1  0.682  0.097  0.225  1.0
  O  O45  1  0.356  0.909  0.275  1.0
  O  O46  1  0.444  0.292  0.126  1.0
  O  O47  1  0.119  0.103  0.177  1.0
  O  O48  1  0.315  0.378  0.297  1.0
  O  O49  1  0.915  0.776  0.097  1.0
[/CIF]
.