data_[K4Se2F16]
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
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.3530]
_cell_length_b [8.3633]
_cell_length_c [5.0324]
_cell_angle_alpha [90.0000]
_cell_angle_beta [115.2435]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K2SeF8]
_chemical_formula_sum '[K4 Se2 F16]'
_cell_volume [432.1853]
_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  0.1338  0.5000  0.8777  1
  Se  Se1  2  0.0000  0.0000  0.0000  1
  F  F2  8  0.0630  0.1500  0.8435  1
  F  F3  4  0.1148  0.5000  0.3573  1
  F  F4  4  0.1506  0.0000  0.3167  1
]