data_[Tb6Pm18Y4]
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 [P6_3/m]
_cell_length_a [9.0658]
_cell_length_b [9.0658]
_cell_length_c [13.9555]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [176]
_chemical_formula_structural [Tb3Pm9Y2]
_chemical_formula_sum '[Tb6 Pm18 Y4]'
_cell_volume [993.3269]
_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  6  0.0801  0.2505  0.2500  1
  Pm  Pm1  12  0.1320  0.7245  0.5425  1
  Pm  Pm2  6  0.0821  0.4813  0.7500  1
  Y  Y3  4  0.3333  0.6667  0.1418  1
]