data_[K4Ag4Pb4F16]
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 [Imma]
_cell_length_a [7.4879]
_cell_length_b [7.6614]
_cell_length_c [10.4995]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [74]
_chemical_formula_structural [KAgPbF4]
_chemical_formula_sum '[K4 Ag4 Pb4 F16]'
_cell_volume [602.3397]
_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  0.2500  0.8633  1
  Ag  Ag1  4  0.2500  0.2500  0.2500  1
  Pb  Pb2  4  0.0000  0.0000  0.5000  1
  F  F3  8  0.0000  0.0380  0.2681  1
  F  F4  8  0.2124  0.2500  0.5053  1
]