data_[Pr8Sn4O4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Sn  1.9600  1.4500  0.8300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [9.5430]
_cell_length_b [4.2636]
_cell_length_c [11.6604]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [Pr2SnO]
_chemical_formula_sum '[Pr8 Sn4 O4]'
_cell_volume [474.4302]
_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  4  0.0138  0.2500  0.7703  1.0
  Pr  Pr1  4  0.1537  0.7500  0.5231  1.0
  Sn  Sn2  4  0.2367  0.2500  0.3006  1.0
  O  O3  4  0.0596  0.2500  0.5777  1.0
]