data_[Tb4Mn4Nb8N16]
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 [Cmcm]
_cell_length_a [3.1005]
_cell_length_b [10.8753]
_cell_length_c [10.8580]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [TbMn(NbN2)2]
_chemical_formula_sum '[Tb4 Mn4 Nb8 N16]'
_cell_volume [366.1158]
_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  0.1107  0.7500  1.0
  Mn  Mn1  4  0.0000  0.1545  0.2500  1.0
  Nb  Nb2  8  0.0000  0.3688  0.5569  1.0
  N  N3  8  0.0000  0.2731  0.1158  1.0
  N  N4  4  0.0000  0.0000  0.0000  1.0
  N  N5  4  0.0000  0.4515  0.7500  1.0
]