data_[Na6Cd3Sn3]
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
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [R3m]
_cell_length_a [3.4199]
_cell_length_b [3.4199]
_cell_length_c [32.1339]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [Na2CdSn]
_chemical_formula_sum '[Na6 Cd3 Sn3]'
_cell_volume [325.4769]
_cell_formula_units_Z [3]
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  3  0.0000  0.0000  0.0836  1
  Na  Na1  3  0.0000  0.0000  0.2497  1
  Cd  Cd2  3  0.0000  0.0000  0.6667  1
  Sn  Sn3  3  0.0000  0.0000  0.5000  1
]