data_[Tb4Pm6Pr6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Pm  1.1300  1.8500  1.1100
  Pr  1.1300  1.8500  1.0600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [16.7027]
_cell_length_b [5.8563]
_cell_length_c [6.0976]
_cell_angle_alpha [90.0000]
_cell_angle_beta [111.3030]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb2(PmPr)3]
_chemical_formula_sum '[Tb4 Pm6 Pr6]'
_cell_volume [555.6909]
_cell_formula_units_Z [2]
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  4  0.2498  0.0000  0.1819  1
  Pm  Pm1  4  0.1340  0.0000  0.5794  1
  Pr  Pr2  4  0.1347  0.5000  0.1904  1
  Pm  Pm3  2  0.0000  0.0000  0.0000  1
  Pr  Pr4  2  0.0000  0.5000  0.5000  1
]