data_[Na16Cd24Bi8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Cd  1.6900  1.5500  1.0900
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [Fmmm]
_cell_length_a [6.8724]
_cell_length_b [10.5197]
_cell_length_c [17.9340]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [69]
_chemical_formula_structural [Na2Cd3Bi]
_chemical_formula_sum '[Na16 Cd24 Bi8]'
_cell_volume [1296.5509]
_cell_formula_units_Z [8]
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
[
  Na  Na0  8  0.2495  0.0000  0.5000  1.0
  Na  Na1  8  0.2500  0.2500  0.2500  1.0
  Cd  Cd2  16  0.0000  0.2406  0.0819  1.0
  Cd  Cd3  8  0.0000  0.0000  0.1641  1.0
  Bi  Bi4  8  0.0000  0.0000  0.3372  1.0
]