data_[Na4Bi8Pb10]
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 [C2/m]
_cell_length_a [11.5443]
_cell_length_b [6.7762]
_cell_length_c [9.5735]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.7072]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na2Bi4Pb5]
_chemical_formula_sum '[Na4 Bi8 Pb10]'
_cell_volume [705.0325]
_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  0.1052  0.0000  0.8514  1.0
  Bi  Bi1  4  0.1087  0.5000  0.8622  1.0
  Bi  Bi2  4  0.1376  0.0000  0.5048  1.0
  Pb  Pb3  8  0.1577  0.2513  0.2024  1.0
  Pb  Pb4  2  0.0000  0.5000  0.5000  1.0
]