data_[Na8Cd8Ag4]
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/m]
_cell_length_a [10.0726]
_cell_length_b [4.8195]
_cell_length_c [10.7615]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.8801]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na2Cd2Ag]
_chemical_formula_sum '[Na8 Cd8 Ag4]'
_cell_volume [504.9018]
_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  4  0.0069  0.5000  0.1511  1.0
  Na  Na1  4  0.1281  0.0000  0.6858  1.0
  Cd  Cd2  4  0.1281  0.5000  0.4557  1.0
  Cd  Cd3  4  0.1715  0.0000  0.0379  1.0
  Ag  Ag4  4  0.1695  0.0000  0.3044  1.0
]