data_[Tb6Pm8Y10]
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 [C2/m]
_cell_length_a [16.2092]
_cell_length_b [5.9471]
_cell_length_c [9.3755]
_cell_angle_alpha [90.0000]
_cell_angle_beta [116.4751]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb3Pm4Y5]
_chemical_formula_sum '[Tb6 Pm8 Y10]'
_cell_volume [809.0056]
_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  0.2109  0.0000  0.7342  1
  Tb  Tb1  2  0.0000  0.5000  0.5000  1
  Pm  Pm2  4  0.0838  0.0000  0.9461  1
  Pm  Pm3  4  0.2155  0.0000  0.3824  1
  Y  Y4  4  0.0723  0.5000  0.2030  1
  Y  Y5  4  0.1714  0.5000  0.8849  1
  Y  Y6  2  0.0000  0.0000  0.5000  1
]