The crystal structure described by Pr3MoO7 crystallizes in the orthorhombic P2_12_12_1 space group. There are three inequivalent Pr sites. In the first Pr site, Pr(1) is bonded in a 6-coordinate geometry to one O(2), one O(4), two equivalent O(1), and two equivalent O(7) atoms. In the second Pr site, Pr(2) is bonded in a 7-coordinate geometry to one O(2), one O(3), one O(4), one O(5), one O(6), and two equivalent O(1) atoms. In the third Pr site, Pr(3) is bonded to one O(2), one O(3), one O(4), one O(5), one O(6), and two equivalent O(7) atoms to form distorted PrO7 pentagonal bipyramids that share corners with two equivalent Mo(1)O6 octahedra, corners with two equivalent Pr(3)O7 pentagonal bipyramids, and edges with two equivalent Mo(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 35-40°. Mo(1) is bonded to one O(2), one O(4), one O(5), one O(6), and two equivalent O(3) atoms to form MoO6 octahedra that share corners with two equivalent Mo(1)O6 octahedra, corners with two equivalent Pr(3)O7 pentagonal bipyramids, and edges with two equivalent Pr(3)O7 pentagonal bipyramids. The corner-sharing octahedral tilt angles are 29°. There are seven inequivalent O sites. In the first O site, O(5) is bonded in a 3-coordinate geometry to one Pr(2), one Pr(3), and one Mo(1) atom. In the second O site, O(6) is bonded in a 3-coordinate geometry to one Pr(2), one Pr(3), and one Mo(1) atom. In the third O site, O(7) is bonded to two equivalent Pr(1) and two equivalent Pr(3) atoms to form OPr4 tetrahedra that share corners with two equivalent O(2)Pr3Mo tetrahedra, corners with two equivalent O(4)Pr3Mo tetrahedra, corners with two equivalent O(1)Pr4 tetrahedra, corners with four equivalent O(7)Pr4 tetrahedra,  an edgeedge with one O(2)Pr3Mo tetrahedra,  an edgeedge with one O(4)Pr3Mo tetrahedra, and  an edgeedge with one O(1)Pr4 tetrahedra. In the fourth O site, O(1) is bonded to two equivalent Pr(1) and two equivalent Pr(2) atoms to form OPr4 tetrahedra that share corners with two equivalent O(2)Pr3Mo tetrahedra, corners with two equivalent O(4)Pr3Mo tetrahedra, corners with two equivalent O(7)Pr4 tetrahedra, corners with four equivalent O(1)Pr4 tetrahedra,  an edgeedge with one O(2)Pr3Mo tetrahedra,  an edgeedge with one O(4)Pr3Mo tetrahedra, and  an edgeedge with one O(7)Pr4 tetrahedra. In the fifth O site, O(2) is bonded to one Pr(1), one Pr(2), one Pr(3), and one Mo(1) atom to form distorted OPr3Mo tetrahedra that share corners with two equivalent O(1)Pr4 tetrahedra, corners with two equivalent O(7)Pr4 tetrahedra,  an edgeedge with one O(1)Pr4 tetrahedra,  an edgeedge with one O(7)Pr4 tetrahedra, and edges with two equivalent O(4)Pr3Mo tetrahedra. In the sixth O site, O(3) is bonded in a 4-coordinate geometry to one Pr(2), one Pr(3), and two equivalent Mo(1) atoms. In the seventh O site, O(4) is bonded to one Pr(1), one Pr(2), one Pr(3), and one Mo(1) atom to form distorted OPr3Mo tetrahedra that share corners with two equivalent O(1)Pr4 tetrahedra, corners with two equivalent O(7)Pr4 tetrahedra,  an edgeedge with one O(1)Pr4 tetrahedra,  an edgeedge with one O(7)Pr4 tetrahedra, and edges with two equivalent O(2)Pr3Mo tetrahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_Pr3MoO7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.622
_cell_length_b   7.642
_cell_length_c   11.006
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   641.001
_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  0.761  0.210  0.497  1.0
  Pr  Pr1  1  0.498  0.451  0.779  1.0
  Pr  Pr2  1  0.002  0.549  0.279  1.0
  Pr  Pr3  1  0.998  0.049  0.221  1.0
  Pr  Pr4  1  0.502  0.951  0.721  1.0
  Pr  Pr5  1  0.239  0.710  0.003  1.0
  Pr  Pr6  1  0.261  0.290  0.503  1.0
  Pr  Pr7  1  0.739  0.790  0.997  1.0
  Pr  Pr8  1  0.000  0.056  0.773  1.0
  Pr  Pr9  1  1.000  0.556  0.727  1.0
  Pr  Pr10  1  0.500  0.444  0.227  1.0
  Pr  Pr11  1  0.500  0.944  0.273  1.0
  Mo  Mo12  1  0.754  0.254  0.001  1.0
  Mo  Mo13  1  0.246  0.754  0.499  1.0
  Mo  Mo14  1  0.254  0.246  0.999  1.0
  Mo  Mo15  1  0.746  0.746  0.501  1.0
  O  O16  1  0.510  0.233  0.632  1.0
  O  O17  1  0.490  0.733  0.868  1.0
  O  O18  1  0.010  0.267  0.368  1.0
  O  O19  1  0.990  0.767  0.132  1.0
  O  O20  1  0.715  0.063  0.877  1.0
  O  O21  1  0.285  0.563  0.623  1.0
  O  O22  1  0.215  0.437  0.123  1.0
  O  O23  1  0.785  0.937  0.377  1.0
  O  O24  1  0.496  0.814  0.496  1.0
  O  O25  1  0.504  0.314  0.004  1.0
  O  O26  1  0.996  0.686  0.504  1.0
  O  O27  1  0.004  0.186  0.996  1.0
  O  O28  1  0.714  0.048  0.121  1.0
  O  O29  1  0.286  0.548  0.379  1.0
  O  O30  1  0.214  0.452  0.879  1.0
  O  O31  1  0.786  0.952  0.621  1.0
  O  O32  1  0.713  0.572  0.376  1.0
  O  O33  1  0.287  0.072  0.124  1.0
  O  O34  1  0.213  0.928  0.624  1.0
  O  O35  1  0.787  0.428  0.876  1.0
  O  O36  1  0.705  0.605  0.639  1.0
  O  O37  1  0.295  0.105  0.861  1.0
  O  O38  1  0.499  0.217  0.368  1.0
  O  O39  1  0.795  0.395  0.139  1.0
  O  O40  1  0.001  0.783  0.868  1.0
  O  O41  1  0.999  0.283  0.632  1.0
  O  O42  1  0.501  0.717  0.132  1.0
  O  O43  1  0.205  0.895  0.361  1.0
[/CIF]
.
The crystal structure described by Pr3MoO7 crystallizes in the orthorhombic P2_12_12_1 space group. There are three inequivalent Pr sites. In the first Pr site, Pr(1) is bonded in a 6-coordinate geometry to one O(2), one O(4), two equivalent O(1), and two equivalent O(7) atoms. In the second Pr site, Pr(2) is bonded in a 7-coordinate geometry to one O(2), one O(3), one O(4), one O(5), one O(6), and two equivalent O(1) atoms. In the third Pr site, Pr(3) is bonded to one O(2), one O(3), one O(4), one O(5), one O(6), and two equivalent O(7) atoms to form distorted PrO7 pentagonal bipyramids that share corners with two equivalent Mo(1)O6 octahedra, corners with two equivalent Pr(3)O7 pentagonal bipyramids, and edges with two equivalent Mo(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 35-40°. Mo(1) is bonded to one O(2), one O(4), one O(5), one O(6), and two equivalent O(3) atoms to form MoO6 octahedra that share corners with two equivalent Mo(1)O6 octahedra, corners with two equivalent Pr(3)O7 pentagonal bipyramids, and edges with two equivalent Pr(3)O7 pentagonal bipyramids. The corner-sharing octahedral tilt angles are 29°. There are seven inequivalent O sites. In the first O site, O(5) is bonded in a 3-coordinate geometry to one Pr(2), one Pr(3), and one Mo(1) atom. In the second O site, O(6) is bonded in a 3-coordinate geometry to one Pr(2), one Pr(3), and one Mo(1) atom. In the third O site, O(7) is bonded to two equivalent Pr(1) and two equivalent Pr(3) atoms to form OPr4 tetrahedra that share corners with two equivalent O(2)Pr3Mo tetrahedra, corners with two equivalent O(4)Pr3Mo tetrahedra, corners with two equivalent O(1)Pr4 tetrahedra, corners with four equivalent O(7)Pr4 tetrahedra,  an edgeedge with one O(2)Pr3Mo tetrahedra,  an edgeedge with one O(4)Pr3Mo tetrahedra, and  an edgeedge with one O(1)Pr4 tetrahedra. In the fourth O site, O(1) is bonded to two equivalent Pr(1) and two equivalent Pr(2) atoms to form OPr4 tetrahedra that share corners with two equivalent O(2)Pr3Mo tetrahedra, corners with two equivalent O(4)Pr3Mo tetrahedra, corners with two equivalent O(7)Pr4 tetrahedra, corners with four equivalent O(1)Pr4 tetrahedra,  an edgeedge with one O(2)Pr3Mo tetrahedra,  an edgeedge with one O(4)Pr3Mo tetrahedra, and  an edgeedge with one O(7)Pr4 tetrahedra. In the fifth O site, O(2) is bonded to one Pr(1), one Pr(2), one Pr(3), and one Mo(1) atom to form distorted OPr3Mo tetrahedra that share corners with two equivalent O(1)Pr4 tetrahedra, corners with two equivalent O(7)Pr4 tetrahedra,  an edgeedge with one O(1)Pr4 tetrahedra,  an edgeedge with one O(7)Pr4 tetrahedra, and edges with two equivalent O(4)Pr3Mo tetrahedra. In the sixth O site, O(3) is bonded in a 4-coordinate geometry to one Pr(2), one Pr(3), and two equivalent Mo(1) atoms. In the seventh O site, O(4) is bonded to one Pr(1), one Pr(2), one Pr(3), and one Mo(1) atom to form distorted OPr3Mo tetrahedra that share corners with two equivalent O(1)Pr4 tetrahedra, corners with two equivalent O(7)Pr4 tetrahedra,  an edgeedge with one O(1)Pr4 tetrahedra,  an edgeedge with one O(7)Pr4 tetrahedra, and edges with two equivalent O(2)Pr3Mo tetrahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_Pr3MoO7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.622
_cell_length_b   7.642
_cell_length_c   11.006
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   641.001
_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  0.761  0.210  0.497  1.0
  Pr  Pr1  1  0.498  0.451  0.779  1.0
  Pr  Pr2  1  0.002  0.549  0.279  1.0
  Pr  Pr3  1  0.998  0.049  0.221  1.0
  Pr  Pr4  1  0.502  0.951  0.721  1.0
  Pr  Pr5  1  0.239  0.710  0.003  1.0
  Pr  Pr6  1  0.261  0.290  0.503  1.0
  Pr  Pr7  1  0.739  0.790  0.997  1.0
  Pr  Pr8  1  0.000  0.056  0.773  1.0
  Pr  Pr9  1  1.000  0.556  0.727  1.0
  Pr  Pr10  1  0.500  0.444  0.227  1.0
  Pr  Pr11  1  0.500  0.944  0.273  1.0
  Mo  Mo12  1  0.754  0.254  0.001  1.0
  Mo  Mo13  1  0.246  0.754  0.499  1.0
  Mo  Mo14  1  0.254  0.246  0.999  1.0
  Mo  Mo15  1  0.746  0.746  0.501  1.0
  O  O16  1  0.510  0.233  0.632  1.0
  O  O17  1  0.490  0.733  0.868  1.0
  O  O18  1  0.010  0.267  0.368  1.0
  O  O19  1  0.990  0.767  0.132  1.0
  O  O20  1  0.715  0.063  0.877  1.0
  O  O21  1  0.285  0.563  0.623  1.0
  O  O22  1  0.215  0.437  0.123  1.0
  O  O23  1  0.785  0.937  0.377  1.0
  O  O24  1  0.496  0.814  0.496  1.0
  O  O25  1  0.504  0.314  0.004  1.0
  O  O26  1  0.996  0.686  0.504  1.0
  O  O27  1  0.004  0.186  0.996  1.0
  O  O28  1  0.714  0.048  0.121  1.0
  O  O29  1  0.286  0.548  0.379  1.0
  O  O30  1  0.214  0.452  0.879  1.0
  O  O31  1  0.786  0.952  0.621  1.0
  O  O32  1  0.713  0.572  0.376  1.0
  O  O33  1  0.287  0.072  0.124  1.0
  O  O34  1  0.213  0.928  0.624  1.0
  O  O35  1  0.787  0.428  0.876  1.0
  O  O36  1  0.705  0.605  0.639  1.0
  O  O37  1  0.295  0.105  0.861  1.0
  O  O38  1  0.499  0.217  0.368  1.0
  O  O39  1  0.795  0.395  0.139  1.0
  O  O40  1  0.001  0.783  0.868  1.0
  O  O41  1  0.999  0.283  0.632  1.0
  O  O42  1  0.501  0.717  0.132  1.0
  O  O43  1  0.205  0.895  0.361  1.0
[/CIF]
.