data_[K8Tl4Bi4Sb8]
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
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [Ibam]
_cell_length_a [7.6877]
_cell_length_b [16.2583]
_cell_length_c [7.6693]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [72]
_chemical_formula_structural [K2TlBiSb2]
_chemical_formula_sum '[K8 Tl4 Bi4 Sb8]'
_cell_volume [958.5714]
_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
[
  K  K0  8  0.2322  0.1678  0.5000  1.0
  Tl  Tl1  4  0.0000  0.0000  0.2500  1.0
  Bi  Bi2  4  0.0000  0.5000  0.2500  1.0
  Sb  Sb3  8  0.2227  0.3893  0.5000  1.0
]