The material structure described by Pr2SbO5F crystallizes in the monoclinic P2_1 space group. There are four inequivalent Pr sites. In the first Pr site, Pr(1) is bonded in a 8-coordinate geometry to one O(2), one O(4), one O(7), one O(9), two equivalent O(6), and two equivalent F(1) atoms. In the second Pr site, Pr(2) is bonded in a 8-coordinate geometry to one O(1), one O(3), one O(5), one O(8), two equivalent O(10), and two equivalent F(2) atoms. In the third Pr site, Pr(3) is bonded in a 9-coordinate geometry to one O(3), one O(4), one O(6), one O(7), one O(8), two equivalent O(2), one F(1), and one F(2) atom. In the fourth Pr site, Pr(4) is bonded in a 9-coordinate geometry to one O(1), one O(10), one O(7), one O(8), one O(9), two equivalent O(5), one F(1), and one F(2) atom. There are two inequivalent Sb sites. In the first Sb site, Sb(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(6), and one O(8) atom to form edge-sharing SbO6 octahedra. In the second Sb site, Sb(2) is bonded to one O(1), one O(10), one O(4), one O(5), one O(7), and one O(9) atom to form edge-sharing SbO6 octahedra. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a distorted see-saw-like geometry to one Pr(2), one Pr(4), one Sb(1), and one Sb(2) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Pr(1), two equivalent Pr(3), and one Sb(1) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Pr(2), one Pr(3), and one Sb(1) atom. In the fourth O site, O(4) is bonded to one Pr(1), one Pr(3), one Sb(1), and one Sb(2) atom to form distorted OPr2Sb2 trigonal pyramids that share  a cornercorner with one F(2)Pr4 tetrahedra, corners with three equivalent F(1)Pr4 tetrahedra, corners with four equivalent O(6)Pr3Sb tetrahedra, and  a cornercorner with one O(10)Pr3Sb trigonal pyramid. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Pr(2), two equivalent Pr(4), and one Sb(2) atom. In the sixth O site, O(6) is bonded to one Pr(3), two equivalent Pr(1), and one Sb(1) atom to form distorted OPr3Sb tetrahedra that share  a cornercorner with one F(1)Pr4 tetrahedra,  a cornercorner with one F(2)Pr4 tetrahedra, corners with two equivalent O(6)Pr3Sb tetrahedra, corners with four equivalent O(4)Pr2Sb2 trigonal pyramids, and edges with two equivalent F(1)Pr4 tetrahedra. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Pr(1), one Pr(3), one Pr(4), and one Sb(2) atom. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one Pr(2), one Pr(3), one Pr(4), and one Sb(1) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Pr(1), one Pr(4), and one Sb(2) atom. In the tenth O site, O(10) is bonded to one Pr(4), two equivalent Pr(2), and one Sb(2) atom to form distorted OPr3Sb trigonal pyramids that share  a cornercorner with one F(1)Pr4 tetrahedra,  a cornercorner with one F(2)Pr4 tetrahedra,  a cornercorner with one O(4)Pr2Sb2 trigonal pyramid, corners with two equivalent O(10)Pr3Sb trigonal pyramids, and edges with two equivalent F(2)Pr4 tetrahedra. There are two inequivalent F sites. In the first F site, F(1) is bonded to one Pr(3), one Pr(4), and two equivalent Pr(1) atoms to form distorted FPr4 tetrahedra that share  a cornercorner with one O(6)Pr3Sb tetrahedra, corners with two equivalent F(1)Pr4 tetrahedra,  a cornercorner with one O(10)Pr3Sb trigonal pyramid, corners with three equivalent O(4)Pr2Sb2 trigonal pyramids,  an edgeedge with one F(2)Pr4 tetrahedra, and edges with two equivalent O(6)Pr3Sb tetrahedra. In the second F site, F(2) is bonded to one Pr(3), one Pr(4), and two equivalent Pr(2) atoms to form distorted FPr4 tetrahedra that share  a cornercorner with one O(6)Pr3Sb tetrahedra, corners with two equivalent F(2)Pr4 tetrahedra,  a cornercorner with one O(4)Pr2Sb2 trigonal pyramid,  a cornercorner with one O(10)Pr3Sb trigonal pyramid,  an edgeedge with one F(1)Pr4 tetrahedra, and edges with two equivalent O(10)Pr3Sb trigonal pyramids. is represented by the Crystallographic Information File (CIF) [CIF]
data_Pr2SbO5F
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.692
_cell_length_b   7.105
_cell_length_c   10.237
_cell_angle_alpha   86.389
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   485.794
_cell_formula_units_Z   4
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
  Pr  Pr0  1  0.749  0.372  0.535  1.0
  Pr  Pr1  1  0.569  0.123  0.965  1.0
  Pr  Pr2  1  0.069  0.877  0.035  1.0
  Pr  Pr3  1  0.379  0.131  0.339  1.0
  Pr  Pr4  1  0.439  0.627  0.839  1.0
  Pr  Pr5  1  0.939  0.373  0.161  1.0
  Pr  Pr6  1  0.879  0.869  0.661  1.0
  Pr  Pr7  1  0.249  0.628  0.465  1.0
  Sb  Sb8  1  0.810  0.887  0.323  1.0
  Sb  Sb9  1  0.310  0.113  0.677  1.0
  Sb  Sb10  1  0.013  0.390  0.822  1.0
  Sb  Sb11  1  0.513  0.610  0.178  1.0
  O  O12  1  0.312  0.300  0.825  1.0
  O  O13  1  0.729  0.048  0.464  1.0
  O  O14  1  0.587  0.056  0.728  1.0
  O  O15  1  0.010  0.199  0.676  1.0
  O  O16  1  0.091  0.552  0.964  1.0
  O  O17  1  0.894  0.690  0.461  1.0
  O  O18  1  0.087  0.944  0.272  1.0
  O  O19  1  0.229  0.952  0.536  1.0
  O  O20  1  0.116  0.585  0.688  1.0
  O  O21  1  0.717  0.083  0.186  1.0
  O  O22  1  0.742  0.465  0.767  1.0
  O  O23  1  0.424  0.806  0.042  1.0
  O  O24  1  0.591  0.448  0.036  1.0
  O  O25  1  0.812  0.700  0.175  1.0
  O  O26  1  0.616  0.415  0.312  1.0
  O  O27  1  0.217  0.917  0.814  1.0
  O  O28  1  0.510  0.801  0.324  1.0
  O  O29  1  0.394  0.310  0.539  1.0
  O  O30  1  0.924  0.194  0.958  1.0
  O  O31  1  0.242  0.535  0.233  1.0
  F  F32  1  0.038  0.324  0.392  1.0
  F  F33  1  0.538  0.676  0.608  1.0
  F  F34  1  0.777  0.831  0.893  1.0
  F  F35  1  0.277  0.169  0.107  1.0
[/CIF]
.
The material structure described by Pr2SbO5F crystallizes in the monoclinic P2_1 space group. There are four inequivalent Pr sites. In the first Pr site, Pr(1) is bonded in a 8-coordinate geometry to one O(2), one O(4), one O(7), one O(9), two equivalent O(6), and two equivalent F(1) atoms. In the second Pr site, Pr(2) is bonded in a 8-coordinate geometry to one O(1), one O(3), one O(5), one O(8), two equivalent O(10), and two equivalent F(2) atoms. In the third Pr site, Pr(3) is bonded in a 9-coordinate geometry to one O(3), one O(4), one O(6), one O(7), one O(8), two equivalent O(2), one F(1), and one F(2) atom. In the fourth Pr site, Pr(4) is bonded in a 9-coordinate geometry to one O(1), one O(10), one O(7), one O(8), one O(9), two equivalent O(5), one F(1), and one F(2) atom. There are two inequivalent Sb sites. In the first Sb site, Sb(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(6), and one O(8) atom to form edge-sharing SbO6 octahedra. In the second Sb site, Sb(2) is bonded to one O(1), one O(10), one O(4), one O(5), one O(7), and one O(9) atom to form edge-sharing SbO6 octahedra. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a distorted see-saw-like geometry to one Pr(2), one Pr(4), one Sb(1), and one Sb(2) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Pr(1), two equivalent Pr(3), and one Sb(1) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Pr(2), one Pr(3), and one Sb(1) atom. In the fourth O site, O(4) is bonded to one Pr(1), one Pr(3), one Sb(1), and one Sb(2) atom to form distorted OPr2Sb2 trigonal pyramids that share  a cornercorner with one F(2)Pr4 tetrahedra, corners with three equivalent F(1)Pr4 tetrahedra, corners with four equivalent O(6)Pr3Sb tetrahedra, and  a cornercorner with one O(10)Pr3Sb trigonal pyramid. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Pr(2), two equivalent Pr(4), and one Sb(2) atom. In the sixth O site, O(6) is bonded to one Pr(3), two equivalent Pr(1), and one Sb(1) atom to form distorted OPr3Sb tetrahedra that share  a cornercorner with one F(1)Pr4 tetrahedra,  a cornercorner with one F(2)Pr4 tetrahedra, corners with two equivalent O(6)Pr3Sb tetrahedra, corners with four equivalent O(4)Pr2Sb2 trigonal pyramids, and edges with two equivalent F(1)Pr4 tetrahedra. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Pr(1), one Pr(3), one Pr(4), and one Sb(2) atom. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one Pr(2), one Pr(3), one Pr(4), and one Sb(1) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Pr(1), one Pr(4), and one Sb(2) atom. In the tenth O site, O(10) is bonded to one Pr(4), two equivalent Pr(2), and one Sb(2) atom to form distorted OPr3Sb trigonal pyramids that share  a cornercorner with one F(1)Pr4 tetrahedra,  a cornercorner with one F(2)Pr4 tetrahedra,  a cornercorner with one O(4)Pr2Sb2 trigonal pyramid, corners with two equivalent O(10)Pr3Sb trigonal pyramids, and edges with two equivalent F(2)Pr4 tetrahedra. There are two inequivalent F sites. In the first F site, F(1) is bonded to one Pr(3), one Pr(4), and two equivalent Pr(1) atoms to form distorted FPr4 tetrahedra that share  a cornercorner with one O(6)Pr3Sb tetrahedra, corners with two equivalent F(1)Pr4 tetrahedra,  a cornercorner with one O(10)Pr3Sb trigonal pyramid, corners with three equivalent O(4)Pr2Sb2 trigonal pyramids,  an edgeedge with one F(2)Pr4 tetrahedra, and edges with two equivalent O(6)Pr3Sb tetrahedra. In the second F site, F(2) is bonded to one Pr(3), one Pr(4), and two equivalent Pr(2) atoms to form distorted FPr4 tetrahedra that share  a cornercorner with one O(6)Pr3Sb tetrahedra, corners with two equivalent F(2)Pr4 tetrahedra,  a cornercorner with one O(4)Pr2Sb2 trigonal pyramid,  a cornercorner with one O(10)Pr3Sb trigonal pyramid,  an edgeedge with one F(1)Pr4 tetrahedra, and edges with two equivalent O(10)Pr3Sb trigonal pyramids. is represented by the Crystallographic Information File (CIF) [CIF]
data_Pr2SbO5F
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.692
_cell_length_b   7.105
_cell_length_c   10.237
_cell_angle_alpha   86.389
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   485.794
_cell_formula_units_Z   4
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
  Pr  Pr0  1  0.749  0.372  0.535  1.0
  Pr  Pr1  1  0.569  0.123  0.965  1.0
  Pr  Pr2  1  0.069  0.877  0.035  1.0
  Pr  Pr3  1  0.379  0.131  0.339  1.0
  Pr  Pr4  1  0.439  0.627  0.839  1.0
  Pr  Pr5  1  0.939  0.373  0.161  1.0
  Pr  Pr6  1  0.879  0.869  0.661  1.0
  Pr  Pr7  1  0.249  0.628  0.465  1.0
  Sb  Sb8  1  0.810  0.887  0.323  1.0
  Sb  Sb9  1  0.310  0.113  0.677  1.0
  Sb  Sb10  1  0.013  0.390  0.822  1.0
  Sb  Sb11  1  0.513  0.610  0.178  1.0
  O  O12  1  0.312  0.300  0.825  1.0
  O  O13  1  0.729  0.048  0.464  1.0
  O  O14  1  0.587  0.056  0.728  1.0
  O  O15  1  0.010  0.199  0.676  1.0
  O  O16  1  0.091  0.552  0.964  1.0
  O  O17  1  0.894  0.690  0.461  1.0
  O  O18  1  0.087  0.944  0.272  1.0
  O  O19  1  0.229  0.952  0.536  1.0
  O  O20  1  0.116  0.585  0.688  1.0
  O  O21  1  0.717  0.083  0.186  1.0
  O  O22  1  0.742  0.465  0.767  1.0
  O  O23  1  0.424  0.806  0.042  1.0
  O  O24  1  0.591  0.448  0.036  1.0
  O  O25  1  0.812  0.700  0.175  1.0
  O  O26  1  0.616  0.415  0.312  1.0
  O  O27  1  0.217  0.917  0.814  1.0
  O  O28  1  0.510  0.801  0.324  1.0
  O  O29  1  0.394  0.310  0.539  1.0
  O  O30  1  0.924  0.194  0.958  1.0
  O  O31  1  0.242  0.535  0.233  1.0
  F  F32  1  0.038  0.324  0.392  1.0
  F  F33  1  0.538  0.676  0.608  1.0
  F  F34  1  0.777  0.831  0.893  1.0
  F  F35  1  0.277  0.169  0.107  1.0
[/CIF]
.