The material described by Pr2RuO5 crystallizes in the orthorhombic Pnma space group. There are two inequivalent Pr sites. In the first Pr site, Pr(1) is bonded to one O(1), one O(2), one O(5), two equivalent O(3), and two equivalent O(4) atoms to form distorted PrO7 hexagonal pyramids that share corners with three equivalent Ru(1)O5 trigonal bipyramids, edges with two equivalent Pr(1)O7 hexagonal pyramids, and edges with two equivalent Ru(1)O5 trigonal bipyramids. In the second Pr site, Pr(2) is bonded in a distorted body-centered cubic geometry to one O(3), one O(4), one O(5), two equivalent O(2), and three equivalent O(1) atoms. Ru(1) is bonded to one O(2), one O(3), one O(4), and two equivalent O(5) atoms to form RuO5 trigonal bipyramids that share corners with three equivalent Pr(1)O7 hexagonal pyramids, corners with two equivalent Ru(1)O5 trigonal bipyramids, and edges with two equivalent Pr(1)O7 hexagonal pyramids. There are five inequivalent O sites. In the first O site, O(1) is bonded to one Pr(1) and three equivalent Pr(2) atoms to form OPr4 tetrahedra that share corners with two equivalent O(1)Pr4 tetrahedra, corners with five equivalent O(2)Pr3Ru tetrahedra, corners with five equivalent O(3)Pr3Ru tetrahedra, corners with two equivalent O(5)Pr2Ru2 trigonal pyramids,  an edgeedge with one O(2)Pr3Ru tetrahedra, edges with two equivalent O(1)Pr4 tetrahedra, and  an edgeedge with one O(5)Pr2Ru2 trigonal pyramid. In the second O site, O(2) is bonded to one Pr(1), two equivalent Pr(2), and one Ru(1) atom to form distorted OPr3Ru tetrahedra that share  a cornercorner with one O(3)Pr3Ru tetrahedra, corners with two equivalent O(2)Pr3Ru tetrahedra, corners with five equivalent O(1)Pr4 tetrahedra,  a cornercorner with one O(5)Pr2Ru2 trigonal pyramid,  an edgeedge with one O(1)Pr4 tetrahedra, edges with two equivalent O(3)Pr3Ru tetrahedra, and edges with two equivalent O(5)Pr2Ru2 trigonal pyramids. In the third O site, O(3) is bonded to one Pr(2), two equivalent Pr(1), and one Ru(1) atom to form OPr3Ru tetrahedra that share  a cornercorner with one O(2)Pr3Ru tetrahedra, corners with two equivalent O(3)Pr3Ru tetrahedra, corners with five equivalent O(1)Pr4 tetrahedra,  a cornercorner with one O(5)Pr2Ru2 trigonal pyramid, edges with two equivalent O(2)Pr3Ru tetrahedra, and edges with two equivalent O(5)Pr2Ru2 trigonal pyramids. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Pr(2), two equivalent Pr(1), and one Ru(1) atom. In the fifth O site, O(5) is bonded to one Pr(1), one Pr(2), and two equivalent Ru(1) atoms to form distorted OPr2Ru2 trigonal pyramids that share  a cornercorner with one O(2)Pr3Ru tetrahedra,  a cornercorner with one O(3)Pr3Ru tetrahedra, corners with two equivalent O(1)Pr4 tetrahedra, corners with two equivalent O(5)Pr2Ru2 trigonal pyramids,  an edgeedge with one O(1)Pr4 tetrahedra, edges with two equivalent O(2)Pr3Ru tetrahedra, and edges with two equivalent O(3)Pr3Ru tetrahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_Pr2RuO5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.994
_cell_length_b   10.753
_cell_length_c   11.689
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   502.059
_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  0.250  0.599  0.227  1.0
  Pr  Pr1  1  0.750  0.401  0.773  1.0
  Pr  Pr2  1  0.750  0.901  0.727  1.0
  Pr  Pr3  1  0.250  0.099  0.273  1.0
  Pr  Pr4  1  0.250  0.634  0.564  1.0
  Pr  Pr5  1  0.750  0.366  0.436  1.0
  Pr  Pr6  1  0.750  0.866  0.064  1.0
  Pr  Pr7  1  0.250  0.134  0.936  1.0
  Ru  Ru8  1  0.250  0.693  0.881  1.0
  Ru  Ru9  1  0.750  0.307  0.119  1.0
  Ru  Ru10  1  0.750  0.807  0.381  1.0
  Ru  Ru11  1  0.250  0.193  0.619  1.0
  O  O12  1  0.250  0.990  0.098  1.0
  O  O13  1  0.750  0.010  0.902  1.0
  O  O14  1  0.750  0.510  0.598  1.0
  O  O15  1  0.250  0.490  0.402  1.0
  O  O16  1  0.250  0.720  0.042  1.0
  O  O17  1  0.750  0.280  0.958  1.0
  O  O18  1  0.750  0.780  0.542  1.0
  O  O19  1  0.250  0.220  0.458  1.0
  O  O20  1  0.250  0.774  0.727  1.0
  O  O21  1  0.750  0.226  0.273  1.0
  O  O22  1  0.750  0.726  0.227  1.0
  O  O23  1  0.250  0.274  0.773  1.0
  O  O24  1  0.250  0.535  0.806  1.0
  O  O25  1  0.750  0.465  0.194  1.0
  O  O26  1  0.750  0.965  0.306  1.0
  O  O27  1  0.250  0.035  0.694  1.0
  O  O28  1  0.250  0.762  0.383  1.0
  O  O29  1  0.750  0.238  0.617  1.0
  O  O30  1  0.750  0.738  0.883  1.0
  O  O31  1  0.250  0.262  0.117  1.0
[/CIF]
.
The material described by Pr2RuO5 crystallizes in the orthorhombic Pnma space group. There are two inequivalent Pr sites. In the first Pr site, Pr(1) is bonded to one O(1), one O(2), one O(5), two equivalent O(3), and two equivalent O(4) atoms to form distorted PrO7 hexagonal pyramids that share corners with three equivalent Ru(1)O5 trigonal bipyramids, edges with two equivalent Pr(1)O7 hexagonal pyramids, and edges with two equivalent Ru(1)O5 trigonal bipyramids. In the second Pr site, Pr(2) is bonded in a distorted body-centered cubic geometry to one O(3), one O(4), one O(5), two equivalent O(2), and three equivalent O(1) atoms. Ru(1) is bonded to one O(2), one O(3), one O(4), and two equivalent O(5) atoms to form RuO5 trigonal bipyramids that share corners with three equivalent Pr(1)O7 hexagonal pyramids, corners with two equivalent Ru(1)O5 trigonal bipyramids, and edges with two equivalent Pr(1)O7 hexagonal pyramids. There are five inequivalent O sites. In the first O site, O(1) is bonded to one Pr(1) and three equivalent Pr(2) atoms to form OPr4 tetrahedra that share corners with two equivalent O(1)Pr4 tetrahedra, corners with five equivalent O(2)Pr3Ru tetrahedra, corners with five equivalent O(3)Pr3Ru tetrahedra, corners with two equivalent O(5)Pr2Ru2 trigonal pyramids,  an edgeedge with one O(2)Pr3Ru tetrahedra, edges with two equivalent O(1)Pr4 tetrahedra, and  an edgeedge with one O(5)Pr2Ru2 trigonal pyramid. In the second O site, O(2) is bonded to one Pr(1), two equivalent Pr(2), and one Ru(1) atom to form distorted OPr3Ru tetrahedra that share  a cornercorner with one O(3)Pr3Ru tetrahedra, corners with two equivalent O(2)Pr3Ru tetrahedra, corners with five equivalent O(1)Pr4 tetrahedra,  a cornercorner with one O(5)Pr2Ru2 trigonal pyramid,  an edgeedge with one O(1)Pr4 tetrahedra, edges with two equivalent O(3)Pr3Ru tetrahedra, and edges with two equivalent O(5)Pr2Ru2 trigonal pyramids. In the third O site, O(3) is bonded to one Pr(2), two equivalent Pr(1), and one Ru(1) atom to form OPr3Ru tetrahedra that share  a cornercorner with one O(2)Pr3Ru tetrahedra, corners with two equivalent O(3)Pr3Ru tetrahedra, corners with five equivalent O(1)Pr4 tetrahedra,  a cornercorner with one O(5)Pr2Ru2 trigonal pyramid, edges with two equivalent O(2)Pr3Ru tetrahedra, and edges with two equivalent O(5)Pr2Ru2 trigonal pyramids. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Pr(2), two equivalent Pr(1), and one Ru(1) atom. In the fifth O site, O(5) is bonded to one Pr(1), one Pr(2), and two equivalent Ru(1) atoms to form distorted OPr2Ru2 trigonal pyramids that share  a cornercorner with one O(2)Pr3Ru tetrahedra,  a cornercorner with one O(3)Pr3Ru tetrahedra, corners with two equivalent O(1)Pr4 tetrahedra, corners with two equivalent O(5)Pr2Ru2 trigonal pyramids,  an edgeedge with one O(1)Pr4 tetrahedra, edges with two equivalent O(2)Pr3Ru tetrahedra, and edges with two equivalent O(3)Pr3Ru tetrahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_Pr2RuO5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.994
_cell_length_b   10.753
_cell_length_c   11.689
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   502.059
_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  0.250  0.599  0.227  1.0
  Pr  Pr1  1  0.750  0.401  0.773  1.0
  Pr  Pr2  1  0.750  0.901  0.727  1.0
  Pr  Pr3  1  0.250  0.099  0.273  1.0
  Pr  Pr4  1  0.250  0.634  0.564  1.0
  Pr  Pr5  1  0.750  0.366  0.436  1.0
  Pr  Pr6  1  0.750  0.866  0.064  1.0
  Pr  Pr7  1  0.250  0.134  0.936  1.0
  Ru  Ru8  1  0.250  0.693  0.881  1.0
  Ru  Ru9  1  0.750  0.307  0.119  1.0
  Ru  Ru10  1  0.750  0.807  0.381  1.0
  Ru  Ru11  1  0.250  0.193  0.619  1.0
  O  O12  1  0.250  0.990  0.098  1.0
  O  O13  1  0.750  0.010  0.902  1.0
  O  O14  1  0.750  0.510  0.598  1.0
  O  O15  1  0.250  0.490  0.402  1.0
  O  O16  1  0.250  0.720  0.042  1.0
  O  O17  1  0.750  0.280  0.958  1.0
  O  O18  1  0.750  0.780  0.542  1.0
  O  O19  1  0.250  0.220  0.458  1.0
  O  O20  1  0.250  0.774  0.727  1.0
  O  O21  1  0.750  0.226  0.273  1.0
  O  O22  1  0.750  0.726  0.227  1.0
  O  O23  1  0.250  0.274  0.773  1.0
  O  O24  1  0.250  0.535  0.806  1.0
  O  O25  1  0.750  0.465  0.194  1.0
  O  O26  1  0.750  0.965  0.306  1.0
  O  O27  1  0.250  0.035  0.694  1.0
  O  O28  1  0.250  0.762  0.383  1.0
  O  O29  1  0.750  0.238  0.617  1.0
  O  O30  1  0.750  0.738  0.883  1.0
  O  O31  1  0.250  0.262  0.117  1.0
[/CIF]
.