data_[Na8Cd20Ag12]
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
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [10.6734]
_cell_length_b [14.3188]
_cell_length_c [5.6823]
_cell_angle_alpha [90.0000]
_cell_angle_beta [92.5358]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Na2Cd5Ag3]
_chemical_formula_sum '[Na8 Cd20 Ag12]'
_cell_volume [867.5692]
_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
[
  Na  Na0  8  0.1237  0.2551  0.1186  1
  Cd  Cd1  8  0.1266  0.1524  0.6076  1
  Cd  Cd2  8  0.2423  0.0405  0.0086  1
  Cd  Cd3  4  0.0000  0.4640  0.2500  1
  Ag  Ag4  8  0.1221  0.3524  0.6250  1
  Ag  Ag5  4  0.0000  0.0307  0.2500  1
]