data_[Tb6Pm2Y2]
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
  Y  1.2200  1.8000  1.0400
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.3296]
_cell_length_b [5.7117]
_cell_length_c [9.6580]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.1066]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Tb3PmY]
_chemical_formula_sum '[Tb6 Pm2 Y2]'
_cell_volume [329.9247]
_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  2  0.1643  0.7500  0.0006  1
  Tb  Tb1  2  0.2335  0.2500  0.8001  1
  Tb  Tb2  2  0.3679  0.7500  0.4008  1
  Pm  Pm3  2  0.4337  0.2500  0.1999  1
  Y  Y4  2  0.0334  0.2500  0.4002  1
]