data_[Na3Cd18Ag24]
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 [R-3]
_cell_length_a [8.1751]
_cell_length_b [8.1751]
_cell_length_c [16.7646]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Na(Cd3Ag4)2]
_chemical_formula_sum '[Na3 Cd18 Ag24]'
_cell_volume [970.3029]
_cell_formula_units_Z [3]
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  3  0.0000  0.0000  0.0000  1.0
  Cd  Cd1  18  0.0185  0.2331  0.6331  1.0
  Ag  Ag2  18  0.0053  0.3210  0.1351  1.0
  Ag  Ag3  6  0.0000  0.0000  0.2132  1.0
]