data_[Na10Ga4Bi8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ga  1.8100  1.3000  0.7600
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [18.7879]
_cell_length_b [5.1177]
_cell_length_c [7.7709]
_cell_angle_alpha [90.0000]
_cell_angle_beta [100.7888]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na5(GaBi2)2]
_chemical_formula_sum '[Na10 Ga4 Bi8]'
_cell_volume [733.9718]
_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  0.1588  0.0000  0.9655  1
  Na  Na1  4  0.1758  0.0000  0.4837  1
  Na  Na2  2  0.0000  0.5000  0.0000  1
  Ga  Ga3  4  0.0467  0.5000  0.6435  1
  Bi  Bi4  4  0.0188  0.0000  0.2204  1
  Bi  Bi5  4  0.1934  0.5000  0.7383  1
]