data_[Pm24Si10Pb2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Si  1.9000  1.1000  0.5400
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [9.7089]
_cell_length_b [9.8748]
_cell_length_c [10.5895]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Pm12Si5Pb]
_chemical_formula_sum '[Pm24 Si10 Pb2]'
_cell_volume [1015.2523]
_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  0.0000  0.1989  0.2281  1
  Pm  Pm1  8  0.2035  0.5000  0.1806  1
  Pm  Pm2  8  0.2289  0.3183  0.5000  1
  Si  Si3  4  0.0000  0.3768  0.0000  1
  Si  Si4  4  0.0000  0.5000  0.3874  1
  Si  Si5  2  0.0000  0.0000  0.0000  1
  Pb  Pb6  2  0.0000  0.0000  0.5000  1
]