data_[K2Bi2Cl8]
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
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [7.8205]
_cell_length_b [6.9734]
_cell_length_c [7.4204]
_cell_angle_alpha [90.0000]
_cell_angle_beta [100.3372]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [KBiCl4]
_chemical_formula_sum '[K2 Bi2 Cl8]'
_cell_volume [398.1066]
_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  2  0.0000  0.0000  0.0000  1.0
  Bi  Bi1  2  0.5000  0.0000  0.5000  1.0
  Cl  Cl2  4  0.1798  0.6365  0.8882  1.0
  Cl  Cl3  4  0.3791  0.1819  0.7867  1.0
]