data_[Tb8N8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [Cmme]
_cell_length_a [6.2250]
_cell_length_b [12.7674]
_cell_length_c [16.2417]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [67]
_chemical_formula_structural [TbN]
_chemical_formula_sum '[Tb8 N8]'
_cell_volume [1290.8486]
_cell_formula_units_Z [8]
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
[
  Tb  Tb0  8  0.0000  0.1220  0.5382  1
  N  N1  4  0.2500  0.0000  0.5000  1
  N  N2  4  0.2500  0.2500  0.5000  1
]