data_[Ce3Pm24Sb18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Pm  1.1300  1.8500  1.1100
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [8.2961]
_cell_length_b [8.2961]
_cell_length_c [25.0588]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Ce(Pm4Sb3)2]
_chemical_formula_sum '[Ce3 Pm24 Sb18]'
_cell_volume [1493.6017]
_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
[
  Ce  Ce0  3  0.0000  0.0000  0.0000  1
  Pm  Pm1  18  0.0002  0.3327  0.1215  1
  Pm  Pm2  6  0.0000  0.0000  0.3333  1
  Sb  Sb3  18  0.0000  0.3346  0.9319  1
]