data_[Cs2Na2Tl2Bi4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  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 [Imm2]
_cell_length_a [4.8390]
_cell_length_b [5.6284]
_cell_length_c [14.4696]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [CsNaTlBi2]
_chemical_formula_sum '[Cs2 Na2 Tl2 Bi4]'
_cell_volume [394.0904]
_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
[
  Cs  Cs0  2  0.0000  0.0000  0.4463  1.0
  Na  Na1  2  0.0000  0.5000  0.1758  1.0
  Tl  Tl2  2  0.0000  0.0000  0.8286  1.0
  Bi  Bi3  2  0.0000  0.0000  0.0601  1.0
  Bi  Bi4  2  0.0000  0.5000  0.7013  1.0
]