data_[Tb8Nb4Sn4N20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Nb  1.6000  1.4500  0.8200
  Sn  1.9600  1.4500  0.8300
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [3.3013]
_cell_length_b [13.8843]
_cell_length_c [10.4240]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Tb2NbSnN5]
_chemical_formula_sum '[Tb8 Nb4 Sn4 N20]'
_cell_volume [477.7964]
_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  0.1146  0.7035  1.0
  Tb  Tb1  4  0.0000  0.1337  0.2777  1.0
  Nb  Nb2  4  0.0000  0.2277  0.0058  1.0
  Sn  Sn3  4  0.0000  0.4775  0.4700  1.0
  N  N4  4  0.0000  0.0644  0.0657  1.0
  N  N5  4  0.0000  0.2800  0.6444  1.0
  N  N6  4  0.0000  0.3014  0.3737  1.0
  N  N7  4  0.0000  0.3679  0.0067  1.0
  N  N8  4  0.0000  0.4974  0.7765  1.0
]