data_[K2As2F8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  As  2.1800  1.1500  0.6600
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P2_1]
_cell_length_a [6.0293]
_cell_length_b [4.7192]
_cell_length_c [8.0895]
_cell_angle_alpha [90.0000]
_cell_angle_beta [111.3139]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [4]
_chemical_formula_structural [KAsF4]
_chemical_formula_sum '[K2 As2 F8]'
_cell_volume [214.4311]
_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  0.2977  0.8266  0.2020  1.0
  As  As1  2  0.1527  0.8069  0.6881  1.0
  F  F2  2  0.0256  0.3282  0.1521  1.0
  F  F3  2  0.1580  0.4273  0.7275  1.0
  F  F4  2  0.3709  0.7322  0.5686  1.0
  F  F5  2  0.4137  0.8816  0.8798  1.0
]