data_[Ge4Sb4Ir4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ge  2.0100  1.2500  0.7700
  Sb  2.0500  1.4500  0.8300
  Ir  2.2000  1.3500  0.7650
]
_symmetry_space_group_name_H-M [P2_13]
_cell_length_a [6.2726]
_cell_length_b [6.2726]
_cell_length_c [6.2726]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [198]
_chemical_formula_structural [GeSbIr]
_chemical_formula_sum '[Ge4 Sb4 Ir4]'
_cell_volume [246.8009]
_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
[
  Ge  Ge0  4  0.1262  0.8738  0.3738  1
  Sb  Sb1  4  0.1352  0.6352  0.8648  1
  Ir  Ir2  4  0.0200  0.0200  0.0200  1
]