data_[Na6Cd18Bi18]
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 [R-3]
_cell_length_a [7.9938]
_cell_length_b [7.9938]
_cell_length_c [23.3002]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Na(CdBi)3]
_chemical_formula_sum '[Na6 Cd18 Bi18]'
_cell_volume [1289.4243]
_cell_formula_units_Z [6]
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  6  0.0000  0.0000  0.3280  1.0
  Cd  Cd1  18  0.0224  0.6302  0.8697  1.0
  Bi  Bi2  18  0.0128  0.7250  0.0702  1.0
]