data_[Ba1Fe1N2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Fe  1.8300  1.4000  0.8525
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [P3m1]
_cell_length_a [3.4414]
_cell_length_b [3.4414]
_cell_length_c [6.1333]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [156]
_chemical_formula_structural [BaFeN2]
_chemical_formula_sum '[Ba1 Fe1 N2]'
_cell_volume [62.9051]
_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
[
  Ba  Ba0  1  0.3333  0.6667  0.2041  1
  Fe  Fe1  1  0.0000  0.0000  0.6555  1
  N  N2  1  0.0000  0.0000  0.9256  1
  N  N3  1  0.6667  0.3333  0.5621  1
]