data_[K12Cd20Ag8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Cd  1.6900  1.5500  1.0900
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [Ibam]
_cell_length_a [12.7638]
_cell_length_b [13.9923]
_cell_length_c [6.9136]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [72]
_chemical_formula_structural [K3Cd5Ag2]
_chemical_formula_sum '[K12 Cd20 Ag8]'
_cell_volume [1234.7306]
_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  0.2416  0.3762  0.5000  1
  K  K1  4  0.0000  0.0000  0.2500  1
  Cd  Cd2  8  0.0000  0.2558  0.2500  1
  Cd  Cd3  8  0.1389  0.3773  0.0000  1
  Cd  Cd4  4  0.0000  0.5000  0.2500  1
  Ag  Ag5  8  0.1457  0.1568  0.5000  1
]