data_[Ce4Cr2N8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Cr  1.6600  1.4000  0.9400
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [5.6534]
_cell_length_b [5.4767]
_cell_length_c [6.8882]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.1830]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Ce2CrN4]
_chemical_formula_sum '[Ce4 Cr2 N8]'
_cell_volume [201.4338]
_cell_formula_units_Z [2]
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  2  0.2115  0.2500  0.4322  1
  Ce  Ce1  2  0.2943  0.2500  0.9650  1
  Cr  Cr2  2  0.2586  0.7500  0.2028  1
  N  N3  4  0.4655  0.5030  0.2617  1
  N  N4  2  0.0520  0.7500  0.3504  1
  N  N5  2  0.0921  0.7500  0.9382  1
]