data_[Tb14Pm2Y8]
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 [12.0478]
_cell_length_b [5.9154]
_cell_length_c [12.7275]
_cell_angle_alpha [90.0000]
_cell_angle_beta [118.2099]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb7PmY4]
_chemical_formula_sum '[Tb14 Pm2 Y8]'
_cell_volume [799.3165]
_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  0.0612  0.0000  0.3260  1
  Tb  Tb1  4  0.1323  0.5000  0.5017  1
  Tb  Tb2  4  0.2102  0.0000  0.9226  1
  Tb  Tb3  2  0.0000  0.5000  0.0000  1
  Pm  Pm4  2  0.0000  0.0000  0.0000  1
  Y  Y5  4  0.1336  0.5000  0.7755  1
  Y  Y6  4  0.2476  0.0000  0.6827  1
]