data_[Pb2Se4O12]
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/c]
_cell_length_a [5.0058]
_cell_length_b [9.0028]
_cell_length_c [7.3769]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.6131]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Pb(SeO3)2]
_chemical_formula_sum '[Pb2 Se4 O12]'
_cell_volume [311.1654]
_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  0.5000  0.0000  0.0000  1.0
  Se  Se1  4  0.1330  0.6607  0.8019  1.0
  O  O2  4  0.1427  0.1606  0.9233  1.0
  O  O3  4  0.2168  0.6538  0.2811  1.0
  O  O4  4  0.4064  0.5663  0.7606  1.0
]