data_[K10Bi2O8F4]
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
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [7.7427]
_cell_length_b [10.6567]
_cell_length_c [6.4318]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [K5Bi(O2F)2]
_chemical_formula_sum '[K10 Bi2 O8 F4]'
_cell_volume [530.7001]
_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  8  0.2467  0.1862  0.8973  1
  K  K1  2  0.5000  0.0000  0.3985  1
  Bi  Bi2  2  0.0000  0.0000  0.4146  1
  O  O3  4  0.0000  0.1552  0.2271  1
  O  O4  4  0.2107  0.0000  0.6062  1
  F  F5  4  0.5000  0.1988  0.1684  1
]