data_[Na3Ce3Pm12Se24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ce  1.1200  1.8500  1.0800
  Pm  1.1300  1.8500  1.1100
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [R3m]
_cell_length_a [8.6617]
_cell_length_b [8.6617]
_cell_length_c [21.3819]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [NaCe(PmSe2)4]
_chemical_formula_sum '[Na3 Ce3 Pm12 Se24]'
_cell_volume [1389.2718]
_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
[
  Na  Na0  3  0.0000  0.0000  0.6250  1
  Ce  Ce1  3  0.0000  0.0000  0.9964  1
  Pm  Pm2  9  0.0121  0.5061  0.5014  1
  Pm  Pm3  3  0.0000  0.0000  0.3742  1
  Se  Se4  9  0.0200  0.5100  0.7535  1
  Se  Se5  9  0.1795  0.3591  0.5795  1
  Se  Se6  3  0.0000  0.0000  0.2415  1
  Se  Se7  3  0.0000  0.0000  0.7595  1
]