data_[K12Na20Cd8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Na  0.9300  1.8000  1.1600
  Cd  1.6900  1.5500  1.0900
]
_symmetry_space_group_name_H-M [Ibam]
_cell_length_a [14.9252]
_cell_length_b [15.7916]
_cell_length_c [7.4041]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [72]
_chemical_formula_structural [K3Na5Cd2]
_chemical_formula_sum '[K12 Na20 Cd8]'
_cell_volume [1745.1035]
_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
[
  K  K0  8  0.1265  0.2362  0.5000  1.0
  K  K1  4  0.0000  0.0000  0.2500  1.0
  Na  Na2  8  0.1171  0.3400  0.0000  1.0
  Na  Na3  8  0.2417  0.5000  0.2500  1.0
  Na  Na4  4  0.0000  0.5000  0.2500  1.0
  Cd  Cd5  8  0.1552  0.1430  0.0000  1.0
]