data_[Li4U8Nb4N20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  U  1.3800  1.7500  0.9913
  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 [3.2271]
_cell_length_b [12.8606]
_cell_length_c [10.0006]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [LiU2NbN5]
_chemical_formula_sum '[Li4 U8 Nb4 N20]'
_cell_volume [415.0498]
_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
[
  Li  Li0  4  0.0000  0.4813  0.4681  1
  U  U1  4  0.0000  0.1080  0.6772  1
  U  U2  4  0.0000  0.1360  0.3028  1
  Nb  Nb3  4  0.0000  0.1930  0.0051  1
  N  N4  4  0.0000  0.0472  0.0695  1
  N  N5  4  0.0000  0.2873  0.6602  1
  N  N6  4  0.0000  0.3099  0.3601  1
  N  N7  4  0.0000  0.3593  0.0064  1
  N  N8  4  0.0000  0.4896  0.7744  1
]