data_[Fe8Ir4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Fe  1.8300  1.4000  0.8525
  Ir  2.2000  1.3500  0.7650
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [9.1788]
_cell_length_b [2.8449]
_cell_length_c [6.2585]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.2787]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Fe2Ir]
_chemical_formula_sum '[Fe8 Ir4]'
_cell_volume [153.2964]
_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
[
  Fe  Fe0  4  0.0095  0.5000  0.7347  1.0
  Fe  Fe1  4  0.1644  0.0000  0.5691  1.0
  Ir  Ir2  4  0.1600  0.0000  0.0951  1.0
]