data_[Na8Ga4Pb4]
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
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [11.3846]
_cell_length_b [4.5525]
_cell_length_c [9.5934]
_cell_angle_alpha [90.0000]
_cell_angle_beta [114.1629]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [Na2GaPb]
_chemical_formula_sum '[Na8 Ga4 Pb4]'
_cell_volume [453.6487]
_cell_formula_units_Z [4]
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  0.2423  0.0000  0.6977  1
  Na  Na1  2  0.2873  0.5000  0.0304  1
  Na  Na2  2  0.3278  0.5000  0.4712  1
  Na  Na3  2  0.4872  0.0000  0.3260  1
  Ga  Ga4  2  0.0317  0.0000  0.8741  1
  Ga  Ga5  2  0.4793  0.0000  0.0021  1
  Pb  Pb6  2  0.0333  0.5000  0.6878  1
  Pb  Pb7  2  0.1533  0.0000  0.2115  1
]