data_[Na2Mg10Cd16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Mg  1.3100  1.5000  0.8600
  Cd  1.6900  1.5500  1.0900
]
_symmetry_space_group_name_H-M [I-4]
_cell_length_a [8.5090]
_cell_length_b [8.5090]
_cell_length_c [9.2133]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [82]
_chemical_formula_structural [NaMg5Cd8]
_chemical_formula_sum '[Na2 Mg10 Cd16]'
_cell_volume [667.0695]
_cell_formula_units_Z [2]
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  2  0.0000  0.5000  0.2500  1
  Mg  Mg1  8  0.1377  0.7897  0.9230  1
  Mg  Mg2  2  0.0000  0.0000  0.5000  1
  Cd  Cd3  8  0.0706  0.6629  0.5944  1
  Cd  Cd4  8  0.1060  0.8495  0.2388  1
]