data_[Pr4Ho2Mg6Ir6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Ho  1.2300  1.7500  1.0410
  Mg  1.3100  1.5000  0.8600
  Ir  2.2000  1.3500  0.7650
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [4.1279]
_cell_length_b [12.7627]
_cell_length_c [7.3852]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [Pr2Ho(MgIr)3]
_chemical_formula_sum '[Pr4 Ho2 Mg6 Ir6]'
_cell_volume [389.0766]
_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
[
  Pr  Pr0  4  0.0000  0.2063  0.7935  1
  Ho  Ho1  2  0.0000  0.0000  0.4064  1
  Mg  Mg2  4  0.5000  0.1191  0.1233  1
  Mg  Mg3  2  0.5000  0.0000  0.7567  1
  Ir  Ir4  4  0.5000  0.1602  0.4979  1
  Ir  Ir5  2  0.0000  0.0000  0.0075  1
]