data_[K1Al1Ag2F8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Al  1.6100  1.2500  0.6750
  Ag  1.9300  1.6000  1.0867
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [4.9037]
_cell_length_b [5.2431]
_cell_length_c [7.2931]
_cell_angle_alpha [76.7708]
_cell_angle_beta [83.0415]
_cell_angle_gamma [83.8151]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [KAlAg2F8]
_chemical_formula_sum '[K1 Al1 Ag2 F8]'
_cell_volume [180.5667]
_cell_formula_units_Z [1]
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  1  0.0000  0.0000  0.5000  1.0
  Al  Al1  1  0.0000  0.0000  0.0000  1.0
  Ag  Ag2  2  0.4294  0.4733  0.7491  1.0
  F  F3  2  0.1287  0.7632  0.2023  1.0
  F  F4  2  0.2065  0.8287  0.8314  1.0
  F  F5  2  0.2794  0.2125  0.9946  1.0
  F  F6  2  0.4527  0.2596  0.4989  1.0
]