data_[Na4Tl10Bi2]
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
]
_symmetry_space_group_name_H-M [Pbam]
_cell_length_a [7.1751]
_cell_length_b [12.6527]
_cell_length_c [5.3190]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [55]
_chemical_formula_structural [Na2Tl5Bi]
_chemical_formula_sum '[Na4 Tl10 Bi2]'
_cell_volume [482.8766]
_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  0.2330  0.6200  0.5000  1.0
  Tl  Tl1  4  0.0255  0.2524  0.0000  1.0
  Tl  Tl2  4  0.2398  0.8703  0.5000  1.0
  Tl  Tl3  2  0.0000  0.0000  0.0000  1.0
  Bi  Bi4  2  0.0000  0.5000  0.0000  1.0
]