data_[Pm4Ga16Ir8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Ga  1.8100  1.3000  0.7600
  Ir  2.2000  1.3500  0.7650
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [17.2973]
_cell_length_b [4.3454]
_cell_length_c [6.6180]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [Pm(Ga2Ir)2]
_chemical_formula_sum '[Pm4 Ga16 Ir8]'
_cell_volume [497.4378]
_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
[
  Pm  Pm0  4  0.1402  0.7500  0.5019  1
  Ga  Ga1  4  0.0347  0.2500  0.3442  1
  Ga  Ga2  4  0.0679  0.7500  0.9889  1
  Ga  Ga3  4  0.1872  0.2500  0.8026  1
  Ga  Ga4  4  0.1892  0.2500  0.2099  1
  Ir  Ir5  4  0.0374  0.2500  0.7435  1
  Ir  Ir6  4  0.2137  0.7500  0.0066  1
]