data_[Ce20Sn8Bi8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Sn  1.9600  1.4500  0.8300
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [Cmce]
_cell_length_a [15.9676]
_cell_length_b [8.4488]
_cell_length_c [8.5184]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [64]
_chemical_formula_structural [Ce5(SnBi)2]
_chemical_formula_sum '[Ce20 Sn8 Bi8]'
_cell_volume [1149.1958]
_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  16  0.1412  0.1689  0.3337  1.0
  Ce  Ce1  4  0.0000  0.0000  0.0000  1.0
  Sn  Sn2  8  0.2020  0.0000  0.0000  1.0
  Bi  Bi3  8  0.0000  0.1382  0.6401  1.0
]