data_[Pm12Pb4O4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Pb  2.3300  1.8000  1.1225
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [9.3785]
_cell_length_b [6.4234]
_cell_length_c [9.2077]
_cell_angle_alpha [90.0000]
_cell_angle_beta [111.5498]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Pm3PbO]
_chemical_formula_sum '[Pm12 Pb4 O4]'
_cell_volume [515.9171]
_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
[
  Pm  Pm0  4  0.0466  0.6032  0.8440  1
  Pm  Pm1  4  0.1758  0.0779  0.0416  1
  Pm  Pm2  4  0.3526  0.6306  0.2566  1
  Pb  Pb3  4  0.3707  0.1506  0.3995  1
  O  O4  4  0.0725  0.7448  0.1077  1
]