data_[Rb2Tl8Bi2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Tl  1.6200  1.9000  1.3325
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [Pmma]
_cell_length_a [10.7346]
_cell_length_b [4.6230]
_cell_length_c [9.0959]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [51]
_chemical_formula_structural [RbTl4Bi]
_chemical_formula_sum '[Rb2 Tl8 Bi2]'
_cell_volume [451.3930]
_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
[
  Rb  Rb0  2  0.2500  0.0000  0.3580  1.0
  Tl  Tl1  4  0.0376  0.5000  0.7030  1.0
  Tl  Tl2  2  0.0000  0.0000  0.0000  1.0
  Tl  Tl3  2  0.2500  0.5000  0.0268  1.0
  Bi  Bi4  2  0.2500  0.0000  0.7617  1.0
]