data_[Ag2Sn2Pb2Br12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ag  1.9300  1.6000  1.0867
  Sn  1.9600  1.4500  0.8300
  Pb  2.3300  1.8000  1.1225
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [P4_2nm]
_cell_length_a [6.9101]
_cell_length_b [6.9101]
_cell_length_c [13.0303]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [102]
_chemical_formula_structural [AgSnPbBr6]
_chemical_formula_sum '[Ag2 Sn2 Pb2 Br12]'
_cell_volume [622.1904]
_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  0.3334  1.0
  Sn  Sn1  2  0.0000  0.0000  0.6675  1.0
  Pb  Pb2  2  0.0000  0.0000  0.0006  1.0
  Br  Br3  4  0.1898  0.8102  0.5002  1.0
  Br  Br4  4  0.2037  0.7963  0.8219  1.0
  Br  Br5  4  0.2063  0.7937  0.1771  1.0
]