data_[La20Tb4Pm8]
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 [C2/c]
_cell_length_a [12.9330]
_cell_length_b [16.1947]
_cell_length_c [6.2162]
_cell_angle_alpha [90.0000]
_cell_angle_beta [116.8588]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [La5TbPm2]
_chemical_formula_sum '[La20 Tb4 Pm8]'
_cell_volume [1161.5183]
_cell_formula_units_Z [4]
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
[
  La  La0  8  0.1608  0.0531  0.9173  1
  La  La1  8  0.1900  0.3542  0.4384  1
  Tb  Tb2  4  0.0000  0.1553  0.2500  1
  La  La3  4  0.0000  0.2986  0.7500  1
  Pm  Pm4  4  0.0000  0.5000  0.0000  1
  Pm  Pm5  4  0.2500  0.2500  0.0000  1
]