data_[Y4Ag2Pb2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Ag  1.9300  1.6000  1.0867
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [4.5924]
_cell_length_b [4.1535]
_cell_length_c [11.5271]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [Y2AgPb]
_chemical_formula_sum '[Y4 Ag2 Pb2]'
_cell_volume [219.8729]
_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
[
  Y  Y0  2  0.0000  0.0000  0.9813  1.0
  Y  Y1  2  0.5000  0.0000  0.2648  1.0
  Ag  Ag2  2  0.0000  0.0000  0.7133  1.0
  Pb  Pb3  2  0.5000  0.0000  0.5403  1.0
]