data_[Ge4Ir2Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ge  2.0100  1.2500  0.7700
  Ir  2.2000  1.3500  0.7650
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [P4/mbm]
_cell_length_a [6.5553]
_cell_length_b [6.5553]
_cell_length_c [5.1860]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [127]
_chemical_formula_structural [Ge2IrPb2]
_chemical_formula_sum '[Ge4 Ir2 Pb4]'
_cell_volume [222.8557]
_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
[
  Ge  Ge0  4  0.1413  0.3587  0.0000  1
  Ir  Ir1  2  0.0000  0.0000  0.0000  1
  Pb  Pb2  4  0.1794  0.6794  0.5000  1
]