data_[Gd4Er2Fe4B4N6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Gd  1.2000  1.8000  1.0750
  Er  1.2400  1.7500  1.0300
  Fe  1.8300  1.4000  0.8525
  B  2.0400  0.8500  0.4100
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [I4/mmm]
_cell_length_a [3.4629]
_cell_length_b [3.4629]
_cell_length_c [20.3470]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [139]
_chemical_formula_structural [Gd2ErFe2B2N3]
_chemical_formula_sum '[Gd4 Er2 Fe4 B4 N6]'
_cell_volume [243.9946]
_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
[
  Gd  Gd0  4  0.0000  0.0000  0.3780  1
  Er  Er1  2  0.0000  0.0000  0.0000  1
  Fe  Fe2  4  0.0000  0.5000  0.2500  1
  B  B3  4  0.0000  0.0000  0.1872  1
  N  N4  4  0.0000  0.0000  0.1142  1
  N  N5  2  0.0000  0.0000  0.5000  1
]