data_[K8Bi4Te8]
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
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [5.6165]
_cell_length_b [20.4772]
_cell_length_c [7.1008]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [K2BiTe2]
_chemical_formula_sum '[K8 Bi4 Te8]'
_cell_volume [816.6550]
_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  0.0000  0.0122  0.2863  1.0
  K  K1  4  0.0000  0.2030  0.5313  1.0
  Bi  Bi2  4  0.0000  0.3943  0.4678  1.0
  Te  Te3  4  0.0000  0.1628  0.0192  1.0
  Te  Te4  4  0.0000  0.4175  0.0610  1.0
]