data_[Na2Tl4Bi4Pb2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Tl  1.6200  1.9000  1.3325
  Bi  2.0200  1.6000  1.0350
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [Pmc2_1]
_cell_length_a [5.4252]
_cell_length_b [9.9846]
_cell_length_c [7.3609]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [NaTl2Bi2Pb]
_chemical_formula_sum '[Na2 Tl4 Bi4 Pb2]'
_cell_volume [398.7254]
_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  2  0.0000  0.4639  0.9787  1.0
  Tl  Tl1  2  0.0000  0.1785  0.3277  1.0
  Tl  Tl2  2  0.5000  0.0393  0.0427  1.0
  Bi  Bi3  2  0.0000  0.1547  0.7765  1.0
  Bi  Bi4  2  0.5000  0.3539  0.2416  1.0
  Pb  Pb5  2  0.5000  0.3221  0.6783  1.0
]