data_[Ce4Sm2Pb2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Sm  1.1700  1.8500  1.2290
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [4.5523]
_cell_length_b [4.4405]
_cell_length_c [11.6837]
_cell_angle_alpha [90.0000]
_cell_angle_beta [99.4969]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Ce2SmPb]
_chemical_formula_sum '[Ce4 Sm2 Pb2]'
_cell_volume [232.9423]
_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  0.0036  0.7500  0.8873  1.0
  Ce  Ce1  2  0.3931  0.2500  0.8876  1.0
  Sm  Sm2  2  0.3026  0.7500  0.6117  1.0
  Pb  Pb3  2  0.1802  0.7500  0.3293  1.0
]