data_[K1Ag1Pb2F8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Ag  1.9300  1.6000  1.0867
  Pb  2.3300  1.8000  1.1225
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [5.9858]
_cell_length_b [4.0880]
_cell_length_c [8.0207]
_cell_angle_alpha [90.0000]
_cell_angle_beta [92.4547]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [KAgPb2F8]
_chemical_formula_sum '[K1 Ag1 Pb2 F8]'
_cell_volume [196.0865]
_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
  Ag  Ag1  1  0.0000  0.0000  0.0000  1
  Pb  Pb2  2  0.4872  0.5000  0.2469  1
  F  F3  2  0.2449  0.0000  0.2239  1
  F  F4  2  0.2743  0.5000  0.9843  1
  F  F5  2  0.2851  0.5000  0.4946  1
  F  F6  2  0.3124  0.0000  0.7513  1
]