data_[Ag12Sn4Pb4]
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
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [7.4302]
_cell_length_b [8.3751]
_cell_length_c [8.4285]
_cell_angle_alpha [90.0000]
_cell_angle_beta [119.4381]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Ag3SnPb]
_chemical_formula_sum '[Ag12 Sn4 Pb4]'
_cell_volume [456.7711]
_cell_formula_units_Z [4]
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  4  0.1404  0.1052  0.3853  1.0
  Ag  Ag1  4  0.3355  0.1199  0.1689  1.0
  Ag  Ag2  4  0.4139  0.6592  0.9210  1.0
  Sn  Sn3  4  0.1238  0.6999  0.5245  1.0
  Pb  Pb4  4  0.2838  0.0476  0.7928  1.0
]