data_[Ce4Ag2Pb2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Ag  1.9300  1.6000  1.0867
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [4.5013]
_cell_length_b [4.5590]
_cell_length_c [10.2649]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [Ce2AgPb]
_chemical_formula_sum '[Ce4 Ag2 Pb2]'
_cell_volume [210.6517]
_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  0.0000  0.0000  0.9726  1.0
  Ce  Ce1  2  0.0000  0.5000  0.2842  1.0
  Ag  Ag2  2  0.0000  0.0000  0.5206  1.0
  Pb  Pb3  2  0.0000  0.5000  0.7226  1.0
]