data_[Y12Ir4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Ir  2.2000  1.3500  0.7650
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [7.2820]
_cell_length_b [9.2775]
_cell_length_c [6.4588]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [Y3Ir]
_chemical_formula_sum '[Y12 Ir4]'
_cell_volume [436.3482]
_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
[
  Y  Y0  8  0.1764  0.0632  0.3256  1.0
  Y  Y1  4  0.0351  0.2500  0.8694  1.0
  Ir  Ir2  4  0.1161  0.7500  0.5427  1.0
]