data_[Pm16Tm4Ru4]
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
  Ru  2.2000  1.3000  0.6610
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [6.0735]
_cell_length_b [7.5042]
_cell_length_c [16.2450]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Pm4TmRu]
_chemical_formula_sum '[Pm16 Tm4 Ru4]'
_cell_volume [740.4006]
_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  0.0000  0.2502  0.1158  1
  Pm  Pm1  4  0.0000  0.0000  0.3267  1
  Pm  Pm2  4  0.0000  0.2926  0.5000  1
  Tm  Tm3  4  0.0000  0.5000  0.3012  1
  Ru  Ru4  4  0.2395  0.5000  0.0000  1
]