data_[Pm8Dy4Ru8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Dy  1.2200  1.7500  1.1310
  Ru  2.2000  1.3000  0.6610
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [4.2723]
_cell_length_b [11.5284]
_cell_length_c [10.0151]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Pm2DyRu2]
_chemical_formula_sum '[Pm8 Dy4 Ru8]'
_cell_volume [493.2774]
_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  0.0000  0.0945  0.6476  1
  Pm  Pm1  4  0.0000  0.3534  0.8328  1
  Dy  Dy2  4  0.0000  0.3546  0.4627  1
  Ru  Ru3  4  0.0000  0.0035  0.8997  1
  Ru  Ru4  4  0.0000  0.1887  0.1424  1
]