data_[Na20Cd8]
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
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [15.6023]
_cell_length_b [6.2159]
_cell_length_c [8.6938]
_cell_angle_alpha [90.0000]
_cell_angle_beta [92.3827]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Na5Cd2]
_chemical_formula_sum '[Na20 Cd8]'
_cell_volume [842.4134]
_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  0.1297  0.1603  0.4564  1.0
  Na  Na1  8  0.2124  0.3633  0.8290  1.0
  Na  Na2  4  0.0000  0.1762  0.7500  1.0
  Cd  Cd3  8  0.0650  0.3474  0.1079  1.0
]