data_[Ce1Fe4N2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Fe  1.8300  1.4000  0.8525
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [P-3m1]
_cell_length_a [3.1839]
_cell_length_b [3.1839]
_cell_length_c [11.1342]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [164]
_chemical_formula_structural [Ce(Fe2N)2]
_chemical_formula_sum '[Ce1 Fe4 N2]'
_cell_volume [97.7471]
_cell_formula_units_Z [1]
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  1  0.0000  0.0000  0.5000  1
  Fe  Fe1  2  0.3333  0.6667  0.2653  1
  Fe  Fe2  2  0.3333  0.6667  0.9221  1
  N  N3  2  0.3333  0.6667  0.1012  1
]