data_[Ga4Bi2Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ga  1.8100  1.3000  0.7600
  Bi  2.0200  1.6000  1.0350
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [I4/mmm]
_cell_length_a [3.7680]
_cell_length_b [3.7680]
_cell_length_c [19.7569]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [139]
_chemical_formula_structural [Ga2BiPb2]
_chemical_formula_sum '[Ga4 Bi2 Pb4]'
_cell_volume [280.4982]
_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
[
  Ga  Ga0  4  0.0000  0.5000  0.2500  1.0
  Bi  Bi1  2  0.0000  0.0000  0.0000  1.0
  Pb  Pb2  4  0.0000  0.0000  0.3868  1.0
]