data_[K8Sr4Ag4F20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Sr  0.9500  2.0000  1.3200
  Ag  1.9300  1.6000  1.0867
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [3.7749]
_cell_length_b [15.7200]
_cell_length_c [11.6077]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [K2SrAgF5]
_chemical_formula_sum '[K8 Sr4 Ag4 F20]'
_cell_volume [688.8188]
_cell_formula_units_Z [4]
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  0.0000  0.0990  0.6825  1.0
  K  K1  4  0.0000  0.1251  0.2924  1.0
  Sr  Sr2  4  0.0000  0.2172  0.0101  1.0
  Ag  Ag3  4  0.0000  0.4771  0.4667  1.0
  F  F4  4  0.0000  0.0684  0.0698  1.0
  F  F5  4  0.0000  0.2739  0.6458  1.0
  F  F6  4  0.0000  0.2937  0.3785  1.0
  F  F7  4  0.0000  0.3688  0.0021  1.0
  F  F8  4  0.0000  0.4994  0.7759  1.0
]