data_[Na4Tl8In20Bi4]
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
  In  1.7800  1.5500  0.9400
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [5.0753]
_cell_length_b [15.6427]
_cell_length_c [13.0448]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [NaTl2In5Bi]
_chemical_formula_sum '[Na4 Tl8 In20 Bi4]'
_cell_volume [1035.6375]
_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  4  0.0000  0.4183  0.4248  1
  Tl  Tl1  4  0.0000  0.0770  0.4284  1
  Tl  Tl2  4  0.0000  0.0846  0.7525  1
  In  In3  4  0.0000  0.0902  0.0975  1
  In  In4  4  0.0000  0.2493  0.2587  1
  In  In5  4  0.0000  0.2509  0.5907  1
  In  In6  4  0.0000  0.4141  0.7501  1
  In  In7  4  0.0000  0.4141  0.0958  1
  Bi  Bi8  4  0.0000  0.2512  0.9255  1
]