data_[Pm8Ir8Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Ir  2.2000  1.3500  0.7650
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [10.3386]
_cell_length_b [5.6656]
_cell_length_c [8.3054]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.9644]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Pm2Ir2Pb]
_chemical_formula_sum '[Pm8 Ir8 Pb4]'
_cell_volume [469.9883]
_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  8  0.1463  0.3358  0.6488  1
  Ir  Ir1  8  0.1432  0.1414  0.9967  1
  Pb  Pb2  4  0.0000  0.1723  0.2500  1
]