data_[K6Tl8Bi4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Tl  1.6200  1.9000  1.3325
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [15.5257]
_cell_length_b [4.8531]
_cell_length_c [10.2792]
_cell_angle_alpha [90.0000]
_cell_angle_beta [115.4274]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K3(Tl2Bi)2]
_chemical_formula_sum '[K6 Tl8 Bi4]'
_cell_volume [699.4939]
_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
[
  K  K0  4  0.1085  0.5000  0.3692  1.0
  K  K1  2  0.0000  0.0000  0.0000  1.0
  Tl  Tl2  4  0.1015  0.0000  0.6984  1.0
  Tl  Tl3  4  0.1581  0.5000  0.9837  1.0
  Bi  Bi4  4  0.2492  0.0000  0.2473  1.0
]