data_[Pm12Pr4Ru4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Pr  1.1300  1.8500  1.0600
  Ru  2.2000  1.3000  0.6610
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.1496]
_cell_length_b [8.6763]
_cell_length_c [8.4486]
_cell_angle_alpha [90.0000]
_cell_angle_beta [133.7891]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm3PrRu]
_chemical_formula_sum '[Pm12 Pr4 Ru4]'
_cell_volume [642.9163]
_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  0.2487  0.7005  0.7937  1
  Pm  Pm1  4  0.0506  0.5000  0.2549  1
  Pr  Pr2  4  0.0514  0.0000  0.3429  1
  Ru  Ru3  4  0.2484  0.5000  0.1161  1
]