data_[Pm12Ho4Ru4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Ho  1.2300  1.7500  1.0410
  Ru  2.2000  1.3000  0.6610
]
_symmetry_space_group_name_H-M [Ima2]
_cell_length_a [9.4510]
_cell_length_b [7.5208]
_cell_length_c [8.7318]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [46]
_chemical_formula_structural [Pm3HoRu]
_chemical_formula_sum '[Pm12 Ho4 Ru4]'
_cell_volume [620.6520]
_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  0.0398  0.2526  0.2817  1
  Pm  Pm1  4  0.2500  0.5198  0.5348  1
  Ho  Ho2  4  0.2500  0.5270  0.0284  1
  Ru  Ru3  4  0.2500  0.7427  0.2817  1
]