data_[Ce4Pm16Y24]
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
  Y  1.2200  1.8000  1.0400
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [5.7954]
_cell_length_b [9.7100]
_cell_length_c [26.0706]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Ce(Pm2Y3)2]
_chemical_formula_sum '[Ce4 Pm16 Y24]'
_cell_volume [1467.0633]
_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
[
  Ce  Ce0  4  0.0000  0.1851  0.7500  1
  Pm  Pm1  8  0.0000  0.1578  0.0433  1
  Pm  Pm2  8  0.0000  0.4714  0.1225  1
  Y  Y3  8  0.0000  0.1440  0.1822  1
  Y  Y4  8  0.0000  0.1874  0.6029  1
  Y  Y5  4  0.0000  0.4812  0.2500  1
  Y  Y6  4  0.0000  0.5000  0.0000  1
]