data_[K8Bi4O10]
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 [P-1]
_cell_length_a [5.6367]
_cell_length_b [9.5339]
_cell_length_c [9.7571]
_cell_angle_alpha [106.4936]
_cell_angle_beta [104.8412]
_cell_angle_gamma [106.3982]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [K4Bi2O5]
_chemical_formula_sum '[K8 Bi4 O10]'
_cell_volume [448.9247]
_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  0.1216  0.2124  0.5496  1
  K  K1  2  0.3685  0.6206  0.6317  1
  K  K2  2  0.3955  0.2973  0.9555  1
  K  K3  2  0.3967  0.9903  0.3152  1
  Bi  Bi4  2  0.1059  0.8825  0.8749  1
  Bi  Bi5  2  0.1428  0.5429  0.2267  1
  O  O6  2  0.1199  0.3730  0.3333  1
  O  O7  2  0.1348  0.0069  0.7343  1
  O  O8  2  0.2324  0.4581  0.8029  1
  O  O9  2  0.2599  0.1161  0.1080  1
  O  O10  2  0.3540  0.7527  0.4187  1
]