data_[Ho2Mg2Al8Ir4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ho  1.2300  1.7500  1.0410
  Mg  1.3100  1.5000  0.8600
  Al  1.6100  1.2500  0.6750
  Ir  2.2000  1.3500  0.7650
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [6.3268]
_cell_length_b [4.7721]
_cell_length_c [14.4003]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [HoMg(Al2Ir)2]
_chemical_formula_sum '[Ho2 Mg2 Al8 Ir4]'
_cell_volume [434.7790]
_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
[
  Ho  Ho0  2  0.0000  0.0000  0.4022  1
  Mg  Mg1  2  0.0000  0.0000  0.6198  1
  Al  Al2  4  0.2826  0.0000  0.0889  1
  Al  Al3  4  0.3008  0.0000  0.8995  1
  Ir  Ir4  2  0.0000  0.0000  0.2014  1
  Ir  Ir5  2  0.0000  0.0000  0.7998  1
]