data_[Na4Ga4Pb4]
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 [Imm2]
_cell_length_a [5.0669]
_cell_length_b [7.7644]
_cell_length_c [8.2662]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [NaGaPb]
_chemical_formula_sum '[Na4 Ga4 Pb4]'
_cell_volume [325.2045]
_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  0.0000  0.0000  0.8334  1.0
  Na  Na1  2  0.0000  0.5000  0.9373  1.0
  Ga  Ga2  4  0.0000  0.1675  0.2108  1.0
  Pb  Pb3  4  0.0000  0.2916  0.5371  1.0
]