data_[Na4Zn2Cd6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Zn  1.6500  1.3500  0.8800
  Cd  1.6900  1.5500  1.0900
]
_symmetry_space_group_name_H-M [Pmma]
_cell_length_a [5.7238]
_cell_length_b [5.9988]
_cell_length_c [8.7032]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [51]
_chemical_formula_structural [Na2ZnCd3]
_chemical_formula_sum '[Na4 Zn2 Cd6]'
_cell_volume [298.8356]
_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  0.2500  0.0000  0.3694  1.0
  Na  Na1  2  0.2500  0.5000  0.1115  1.0
  Zn  Zn2  2  0.2500  0.5000  0.4651  1.0
  Cd  Cd3  4  0.2500  0.2533  0.7389  1.0
  Cd  Cd4  2  0.0000  0.0000  0.0000  1.0
]