data_[Ce3Pm12Nd3Se24]
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
  Nd  1.1400  1.8500  1.2765
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [R3m]
_cell_length_a [8.6605]
_cell_length_b [8.6605]
_cell_length_c [21.3029]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [CePm4NdSe8]
_chemical_formula_sum '[Ce3 Pm12 Nd3 Se24]'
_cell_volume [1383.7530]
_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  0.9998  1
  Pm  Pm1  9  0.0007  0.5004  0.5001  1
  Pm  Pm2  3  0.0000  0.0000  0.6249  1
  Nd  Nd3  3  0.0000  0.0000  0.3751  1
  Se  Se4  9  0.0208  0.5104  0.7536  1
  Se  Se5  9  0.1759  0.3518  0.5800  1
  Se  Se6  3  0.0000  0.0000  0.2419  1
  Se  Se7  3  0.0000  0.0000  0.7573  1
]