data_[La8Tb18Pm22]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Tb  1.1000  1.7500  0.9815
  Pm  1.1300  1.8500  1.1100
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [17.1073]
_cell_length_b [25.6278]
_cell_length_c [3.7455]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [La4Tb9Pm11]
_chemical_formula_sum '[La8 Tb18 Pm22]'
_cell_volume [1642.1013]
_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  8  0.1007  0.2628  0.5000  1
  Tb  Tb1  8  0.1376  0.0728  0.5000  1
  La  La2  8  0.1546  0.3995  0.5000  1
  Tb  Tb3  2  0.0000  0.5000  0.5000  1
  Pm  Pm4  8  0.2259  0.1812  0.0000  1
  Pm  Pm5  4  0.0000  0.1585  0.0000  1
  Pm  Pm6  4  0.0000  0.3644  0.0000  1
  Pm  Pm7  4  0.2124  0.5000  0.0000  1
  Pm  Pm8  2  0.0000  0.0000  0.0000  1
]