data_[Ce4Pr4N6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Pr  1.1300  1.8500  1.0600
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.1144]
_cell_length_b [3.5902]
_cell_length_c [6.3631]
_cell_angle_alpha [90.0000]
_cell_angle_beta [100.0056]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ce2Pr2N3]
_chemical_formula_sum '[Ce4 Pr4 N6]'
_cell_volume [272.5379]
_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  4  0.1271  0.5000  0.8899  1
  Pr  Pr1  4  0.1345  0.0000  0.3690  1
  N  N2  4  0.2482  0.0000  0.7736  1
  N  N3  2  0.0000  0.0000  0.0000  1
]