data_[Tb9Pm15Sb24]
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
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [8.9208]
_cell_length_b [8.9208]
_cell_length_c [21.8437]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Tb3Pm5Sb8]
_chemical_formula_sum '[Tb9 Pm15 Sb24]'
_cell_volume [1505.4431]
_cell_formula_units_Z [3]
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  9  0.0000  0.5000  0.5000  1
  Pm  Pm1  9  0.0000  0.5000  0.0000  1
  Pm  Pm2  3  -0.0000  -0.0000  0.5000  1
  Pm  Pm3  3  0.0000  0.0000  0.0000  1
  Sb  Sb4  18  0.0026  0.5013  0.7513  1
  Sb  Sb5  6  0.0000  0.0000  0.2481  1
]