data_[Yb2Fe2N6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Yb  1.1000  1.7500  1.0840
  Fe  1.8300  1.4000  0.8525
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [Pmma]
_cell_length_a [5.3421]
_cell_length_b [3.2829]
_cell_length_c [6.6232]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [51]
_chemical_formula_structural [YbFeN3]
_chemical_formula_sum '[Yb2 Fe2 N6]'
_cell_volume [116.1562]
_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
[
  Yb  Yb0  2  0.2500  0.0000  0.3166  1
  Fe  Fe1  2  0.2500  0.5000  0.6965  1
  N  N2  4  0.0095  0.5000  0.9083  1
  N  N3  2  0.0000  0.5000  0.5000  1
]