data_[Na8Sr4Cd4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Sr  0.9500  2.0000  1.3200
  Cd  1.6900  1.5500  1.0900
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [4.4959]
_cell_length_b [12.4385]
_cell_length_c [10.3829]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Na2SrCd]
_chemical_formula_sum '[Na8 Sr4 Cd4]'
_cell_volume [580.6314]
_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  0.0000  0.3512  0.5514  1.0
  Sr  Sr1  4  0.0000  0.0537  0.7500  1.0
  Cd  Cd2  4  0.0000  0.2362  0.2500  1.0
]