data_[K24Se2O6F8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Se  2.5500  1.1500  1.0133
  O  3.4400  0.6000  1.2600
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [Im-3]
_cell_length_a [9.9411]
_cell_length_b [9.9411]
_cell_length_c [9.9411]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [204]
_chemical_formula_structural [K12SeO3F4]
_chemical_formula_sum '[K24 Se2 O6 F8]'
_cell_volume [982.4197]
_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  24  0.0000  0.3129  0.1777  1.0
  Se  Se1  2  0.0000  0.0000  0.0000  1.0
  O  O2  6  0.0000  0.0000  0.5000  1.0
  F  F3  8  0.2500  0.2500  0.2500  1.0
]