data_[Ho6Zn18Ir4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ho  1.2300  1.7500  1.0410
  Zn  1.6500  1.3500  0.8800
  Ir  2.2000  1.3500  0.7650
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [4.3138]
_cell_length_b [8.9625]
_cell_length_c [12.6995]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Ho3Zn9Ir2]
_chemical_formula_sum '[Ho6 Zn18 Ir4]'
_cell_volume [490.9926]
_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  4  0.0000  0.0000  0.3089  1
  Ho  Ho1  2  0.0000  0.0000  0.0000  1
  Zn  Zn2  8  0.0000  0.2786  0.1280  1
  Zn  Zn3  8  0.0000  0.3604  0.3351  1
  Zn  Zn4  2  0.0000  0.5000  0.0000  1
  Ir  Ir5  4  0.0000  0.1862  0.5000  1
]