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 [5.9965]
_cell_length_b [4.0871]
_cell_length_c [8.0223]
_cell_angle_alpha [90.0000]
_cell_angle_beta [92.3514]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [KAgPb2F8]
_chemical_formula_sum '[K1 Ag1 Pb2 F8]'
_cell_volume [196.4466]
_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
  Ag  Ag1  1  0.0000  0.0000  0.0000  1.0
  Pb  Pb2  2  0.4872  0.5000  0.2469  1.0
  F  F3  2  0.2448  0.0000  0.2236  1.0
  F  F4  2  0.2747  0.5000  0.9843  1.0
  F  F5  2  0.2852  0.5000  0.4947  1.0
  F  F6  2  0.3124  0.0000  0.7512  1.0
]