data_[K2Pr2Fe2O6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Pr  1.1300  1.8500  1.0600
  Fe  1.8300  1.4000  0.8525
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.5071]
_cell_length_b [3.7655]
_cell_length_c [9.3674]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.0572]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [KPrFeO3]
_chemical_formula_sum '[K2 Pr2 Fe2 O6]'
_cell_volume [253.1485]
_cell_formula_units_Z [2]
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
[
  K  K0  2  0.1736  0.2500  0.1526  1.0
  Pr  Pr1  2  0.3383  0.7500  0.8520  1.0
  Fe  Fe2  2  0.0336  0.2500  0.6240  1.0
  O  O3  2  0.1151  0.7500  0.5979  1.0
  O  O4  2  0.1173  0.2500  0.8456  1.0
  O  O5  2  0.4481  0.7500  0.1160  1.0
]