data_[Lu12Fe4N4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Lu  1.2700  1.7500  1.0010
  Fe  1.8300  1.4000  0.8525
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [3.4228]
_cell_length_b [11.9582]
_cell_length_c [8.8443]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Lu3FeN]
_chemical_formula_sum '[Lu12 Fe4 N4]'
_cell_volume [361.9987]
_cell_formula_units_Z [4]
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
[
  Lu  Lu0  8  0.0000  0.3669  0.5557  1
  Lu  Lu1  4  0.0000  0.0644  0.7500  1
  Fe  Fe2  4  0.0000  0.2637  0.2500  1
  N  N3  4  0.0000  0.0000  0.0000  1
]