data_[K4Bi6O16]
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
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [13.1960]
_cell_length_b [6.8997]
_cell_length_c [5.7607]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.5636]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K2Bi3O8]
_chemical_formula_sum '[K4 Bi6 O16]'
_cell_volume [494.2273]
_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  0.2197  0.5000  0.6591  1.0
  Bi  Bi1  4  0.0000  0.2626  0.0000  1.0
  Bi  Bi2  2  0.0000  0.0000  0.5000  1.0
  O  O3  8  0.0918  0.2162  0.3866  1.0
  O  O4  4  0.0908  0.0000  0.9021  1.0
  O  O5  4  0.1029  0.5000  0.9735  1.0
]