data_[Ag2Te2Pb2F2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ag  1.9300  1.6000  1.0867
  Te  2.1000  1.4000  1.2933
  Pb  2.3300  1.8000  1.1225
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P4/nmm]
_cell_length_a [4.3068]
_cell_length_b [4.3068]
_cell_length_c [10.0590]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [129]
_chemical_formula_structural [AgTePbF]
_chemical_formula_sum '[Ag2 Te2 Pb2 F2]'
_cell_volume [186.5790]
_cell_formula_units_Z [2]
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
[
  Ag  Ag0  2  0.0000  0.0000  0.5000  1.0
  Te  Te1  2  0.0000  0.5000  0.3020  1.0
  Pb  Pb2  2  0.0000  0.5000  0.8535  1.0
  F  F3  2  0.0000  0.0000  0.0000  1.0
]