data_[K2Sb4F16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Sb  2.0500  1.4500  0.8300
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [10.5884]
_cell_length_b [6.9126]
_cell_length_c [5.0270]
_cell_angle_alpha [90.0000]
_cell_angle_beta [92.9766]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [KSb2F8]
_chemical_formula_sum '[K2 Sb4 F16]'
_cell_volume [367.4446]
_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
  Sb  Sb1  4  0.1743  0.5000  0.4657  1
  F  F2  8  0.1423  0.1977  0.4141  1
  F  F3  4  0.0032  0.5000  0.2551  1
  F  F4  4  0.2499  0.0000  0.8835  1
]