data_[Sr4Pr2O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Pr  1.1300  1.8500  1.0600
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Pbam]
_cell_length_a [6.2815]
_cell_length_b [10.3879]
_cell_length_c [3.7347]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [55]
_chemical_formula_structural [Sr2PrO4]
_chemical_formula_sum '[Sr4 Pr2 O8]'
_cell_volume [243.6983]
_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
[
  Sr  Sr0  4  0.0640  0.3230  0.5000  1.0
  Pr  Pr1  2  0.0000  0.0000  0.0000  1.0
  O  O2  4  0.1522  0.7942  0.0000  1.0
  O  O3  4  0.2365  0.0439  0.5000  1.0
]