data_[Na8Sr2Cd4]
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 [Cmmm]
_cell_length_a [4.8014]
_cell_length_b [20.4512]
_cell_length_c [4.7746]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Na4SrCd2]
_chemical_formula_sum '[Na8 Sr2 Cd4]'
_cell_volume [468.8353]
_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  4  0.0000  0.1763  0.5000  1.0
  Na  Na1  4  0.0000  0.3237  0.0000  1.0
  Sr  Sr2  2  0.0000  0.0000  0.0000  1.0
  Cd  Cd3  4  0.0000  0.4289  0.5000  1.0
]