data_[Na4Bi6Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Bi  2.0200  1.6000  1.0350
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [8.2057]
_cell_length_b [9.4533]
_cell_length_c [6.4940]
_cell_angle_alpha [90.0000]
_cell_angle_beta [93.6550]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Na2Bi3Pb2]
_chemical_formula_sum '[Na4 Bi6 Pb4]'
_cell_volume [502.7207]
_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  0.0765  0.1685  0.5744  1.0
  Bi  Bi1  4  0.3356  0.5300  0.8283  1.0
  Bi  Bi2  2  0.0000  0.0000  0.0000  1.0
  Pb  Pb3  4  0.3377  0.6334  0.3350  1.0
]