data_[Tb2Pm8Dy8]
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
  Dy  1.2200  1.7500  1.1310
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [16.8466]
_cell_length_b [5.6047]
_cell_length_c [6.8508]
_cell_angle_alpha [90.0000]
_cell_angle_beta [112.9183]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb(PmDy)4]
_chemical_formula_sum '[Tb2 Pm8 Dy8]'
_cell_volume [595.7905]
_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  0.0000  0.5000  0.0000  1
  Pm  Pm1  4  0.1332  0.0000  0.9609  1
  Pm  Pm2  4  0.2184  0.5000  0.2874  1
  Dy  Dy3  4  0.0732  0.0000  0.3786  1
  Dy  Dy4  4  0.1276  0.5000  0.6824  1
]