data_[Pm8Tm4Ir4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Tm  1.2500  1.7500  1.0950
  Ir  2.2000  1.3500  0.7650
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [7.2632]
_cell_length_b [9.7109]
_cell_length_c [6.3892]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [Pm2TmIr]
_chemical_formula_sum '[Pm8 Tm4 Ir4]'
_cell_volume [450.6417]
_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  8  0.1797  0.0646  0.3255  1
  Tm  Tm1  4  0.0386  0.2500  0.8539  1
  Ir  Ir2  4  0.1188  0.7500  0.5425  1
]