data_[Pm2Pa2Pb4O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Pa  1.5000  1.8000  1.0400
  Pb  2.3300  1.8000  1.1225
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [I-4m2]
_cell_length_a [7.3479]
_cell_length_b [7.3479]
_cell_length_c [7.2525]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [119]
_chemical_formula_structural [PmPa(PbO4)2]
_chemical_formula_sum '[Pm2 Pa2 Pb4 O16]'
_cell_volume [391.5750]
_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
[
  Pm  Pm0  2  0.0000  0.0000  0.0000  1
  Pa  Pa1  2  0.0000  0.5000  0.7500  1
  Pb  Pb2  2  0.0000  0.0000  0.5000  1
  Pb  Pb3  2  0.0000  0.5000  0.2500  1
  O  O4  8  0.0000  0.1960  0.7078  1
  O  O5  8  0.0000  0.3203  0.0282  1
]