data_[Nd4Sm4N6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nd  1.1400  1.8500  1.2765
  Sm  1.1700  1.8500  1.2290
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.1970]
_cell_length_b [3.6296]
_cell_length_c [6.3156]
_cell_angle_alpha [90.0000]
_cell_angle_beta [101.6221]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Nd2Sm2N3]
_chemical_formula_sum '[Nd4 Sm4 N6]'
_cell_volume [273.8657]
_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
[
  Nd  Nd0  4  0.1240  0.5000  0.8825  1.0
  Sm  Sm1  4  0.1368  0.0000  0.3588  1.0
  N  N2  4  0.2439  0.5000  0.2539  1.0
  N  N3  2  0.0000  0.0000  0.0000  1.0
]