data_[Ce2Pm4Pb8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Pm  1.1300  1.8500  1.1100
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.2678]
_cell_length_b [6.5418]
_cell_length_c [10.9556]
_cell_angle_alpha [90.0000]
_cell_angle_beta [105.1283]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Ce(PmPb2)2]
_chemical_formula_sum '[Ce2 Pm4 Pb8]'
_cell_volume [433.6466]
_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
[
  Ce  Ce0  2  0.1730  0.7500  0.1931  1
  Pm  Pm1  2  0.3182  0.2500  0.4232  1
  Pm  Pm2  2  0.3802  0.2500  0.0157  1
  Pb  Pb3  4  0.3446  0.0098  0.7277  1
  Pb  Pb4  2  0.0585  0.7500  0.8852  1
  Pb  Pb5  2  0.1218  0.7500  0.4743  1
]