data_[La4Nd4N6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Nd  1.1400  1.8500  1.2765
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [13.8365]
_cell_length_b [3.5850]
_cell_length_c [6.3422]
_cell_angle_alpha [90.0000]
_cell_angle_beta [116.5108]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [La2Nd2N3]
_chemical_formula_sum '[La4 Nd4 N6]'
_cell_volume [281.5183]
_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
[
  La  La0  4  0.1322  0.0000  0.9570  1.0
  Nd  Nd1  4  0.1302  0.5000  0.4786  1.0
  N  N2  4  0.2406  0.5000  0.2441  1.0
  N  N3  2  0.0000  0.0000  0.5000  1.0
]