data_[Nb4Ni8Ir4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nb  1.6000  1.4500  0.8200
  Ni  1.9100  1.3500  0.7400
  Ir  2.2000  1.3500  0.7650
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [5.3712]
_cell_length_b [9.2799]
_cell_length_c [4.3296]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [NbNi2Ir]
_chemical_formula_sum '[Nb4 Ni8 Ir4]'
_cell_volume [215.8025]
_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
[
  Nb  Nb0  4  0.0000  0.3324  0.2500  1.0
  Ni  Ni1  8  0.2487  0.0780  0.2500  1.0
  Ir  Ir2  4  0.0000  0.1613  0.7500  1.0
]