data_[Pm16Ir4Pb2]
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/m]
_cell_length_a [8.8718]
_cell_length_b [13.6735]
_cell_length_c [5.6517]
_cell_angle_alpha [90.0000]
_cell_angle_beta [103.4168]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm8Ir2Pb]
_chemical_formula_sum '[Pm16 Ir4 Pb2]'
_cell_volume [666.8891]
_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  8  0.2009  0.1307  0.0696  1
  Pm  Pm1  4  0.0000  0.2529  0.5000  1
  Pm  Pm2  4  0.1056  0.5000  0.2987  1
  Ir  Ir3  4  0.0000  0.3013  0.0000  1
  Pb  Pb4  2  0.0000  0.0000  0.5000  1
]