data_[Tb8Pr4Ru4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Pr  1.1300  1.8500  1.0600
  Ru  2.2000  1.3000  0.6610
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [3.9662]
_cell_length_b [12.2941]
_cell_length_c [9.2098]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Tb2PrRu]
_chemical_formula_sum '[Tb8 Pr4 Ru4]'
_cell_volume [449.0713]
_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
[
  Tb  Tb0  8  0.0000  0.1451  0.0700  1.0
  Pr  Pr1  4  0.0000  0.4245  0.2500  1.0
  Ru  Ru2  4  0.0000  0.2465  0.7500  1.0
]