data_[Ce12Tm4Pb8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Tm  1.2500  1.7500  1.0950
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [18.1142]
_cell_length_b [4.9456]
_cell_length_c [8.4333]
_cell_angle_alpha [90.0000]
_cell_angle_beta [116.8396]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ce3TmPb2]
_chemical_formula_sum '[Ce12 Tm4 Pb8]'
_cell_volume [674.1140]
_cell_formula_units_Z [4]
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  4  0.0674  0.0000  0.4658  1
  Ce  Ce1  4  0.1276  0.5000  0.6660  1
  Ce  Ce2  4  0.2066  0.5000  0.4549  1
  Tm  Tm3  4  0.1135  0.0000  0.0572  1
  Pb  Pb4  4  0.0107  0.5000  0.1924  1
  Pb  Pb5  4  0.2479  0.5000  0.1275  1
]