data_[Pb2Se2O6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pb  2.3300  1.8000  1.1225
  Se  2.5500  1.1500  1.0133
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [4.5883]
_cell_length_b [5.6778]
_cell_length_c [6.7862]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.4563]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [PbSeO3]
_chemical_formula_sum '[Pb2 Se2 O6]'
_cell_volume [168.6486]
_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
[
  Pb  Pb0  2  0.1251  0.2500  0.8048  1.0
  Se  Se1  2  0.4086  0.2500  0.3410  1.0
  O  O2  4  0.2986  0.0162  0.1673  1.0
  O  O3  2  0.2018  0.7500  0.6062  1.0
]