data_[Tl4Ag4Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tl  1.6200  1.9000  1.3325
  Ag  1.9300  1.6000  1.0867
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [Ima2]
_cell_length_a [5.8357]
_cell_length_b [7.3363]
_cell_length_c [7.4301]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [46]
_chemical_formula_structural [TlAgPb]
_chemical_formula_sum '[Tl4 Ag4 Pb4]'
_cell_volume [318.1011]
_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
[
  Tl  Tl0  4  0.2500  0.1588  0.1397  1.0
  Ag  Ag1  4  0.0000  0.0000  0.8012  1.0
  Pb  Pb2  4  0.2500  0.6514  0.9556  1.0
]