data_[Na2Ag1Pb1F8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  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 [P-1]
_cell_length_a [4.9269]
_cell_length_b [5.3034]
_cell_length_c [7.2457]
_cell_angle_alpha [88.4156]
_cell_angle_beta [89.1650]
_cell_angle_gamma [85.8612]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [Na2AgPbF8]
_chemical_formula_sum '[Na2 Ag1 Pb1 F8]'
_cell_volume [188.7446]
_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
[
  Na  Na0  2  0.4887  0.4974  0.2575  1.0
  Ag  Ag1  1  0.0000  0.0000  0.5000  1.0
  Pb  Pb2  1  0.0000  0.0000  0.0000  1.0
  F  F3  2  0.1523  0.1935  0.2293  1.0
  F  F4  2  0.1536  0.2304  0.7881  1.0
  F  F5  2  0.3217  0.7335  0.4989  1.0
  F  F6  2  0.3429  0.7436  0.9942  1.0
]