data_[Na9Cd21Ga6]
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
  Ga  1.8100  1.3000  0.7600
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [6.0044]
_cell_length_b [6.0044]
_cell_length_c [28.8087]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Na3Cd7Ga2]
_chemical_formula_sum '[Na9 Cd21 Ga6]'
_cell_volume [899.4989]
_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  6  0.0000  0.0000  0.1437  1.0
  Na  Na1  3  0.0000  0.0000  0.0000  1.0
  Cd  Cd2  18  0.0053  0.5027  0.9170  1.0
  Cd  Cd3  3  -0.0000  -0.0000  0.5000  1.0
  Ga  Ga4  6  0.0000  0.0000  0.3343  1.0
]