data_[K8Bi4Sb8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Bi  2.0200  1.6000  1.0350
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.7614]
_cell_length_b [5.8701]
_cell_length_c [11.4056]
_cell_angle_alpha [90.0000]
_cell_angle_beta [116.6264]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K2BiSb2]
_chemical_formula_sum '[K8 Bi4 Sb8]'
_cell_volume [763.7927]
_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  4  0.0733  0.5000  0.8768  1.0
  K  K1  4  0.2113  0.0000  0.7137  1.0
  Bi  Bi2  4  0.1091  0.0000  0.3571  1.0
  Sb  Sb3  4  0.1163  0.5000  0.4879  1.0
  Sb  Sb4  4  0.1222  0.0000  0.0974  1.0
]