data_[Tb8Mn4Nb4N20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Mn  1.5500  1.4000  0.6483
  Nb  1.6000  1.4500  0.8200
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [3.2367]
_cell_length_b [13.8798]
_cell_length_c [9.8708]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Tb2MnNbN5]
_chemical_formula_sum '[Tb8 Mn4 Nb4 N20]'
_cell_volume [443.4430]
_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
[
  Tb  Tb0  4  0.0000  0.1167  0.6909  1.0
  Tb  Tb1  4  0.0000  0.1285  0.3221  1.0
  Mn  Mn2  4  0.0000  0.4540  0.4445  1.0
  Nb  Nb3  4  0.0000  0.2076  0.0227  1.0
  N  N4  4  0.0000  0.0322  0.0197  1.0
  N  N5  4  0.0000  0.2991  0.6637  1.0
  N  N6  4  0.0000  0.3235  0.3749  1.0
  N  N7  4  0.0000  0.3462  0.0061  1.0
  N  N8  4  0.0000  0.4983  0.7793  1.0
]