data_[Ag2As2Pb2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ag  1.9300  1.6000  1.0867
  As  2.1800  1.1500  0.6600
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [Pma2]
_cell_length_a [4.8984]
_cell_length_b [6.6958]
_cell_length_c [17.3290]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [28]
_chemical_formula_structural [AgAsPb]
_chemical_formula_sum '[Ag2 As2 Pb2]'
_cell_volume [568.3594]
_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  0.2500  0.5933  0.5046  1
  As  As1  2  0.2500  0.9235  0.4305  1
  Pb  Pb2  2  0.2500  0.1758  0.5649  1
]