data_[Li8N8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [5.0608]
_cell_length_b [4.2162]
_cell_length_c [6.5056]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [LiN]
_chemical_formula_sum '[Li8 N8]'
_cell_volume [138.8107]
_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
[
  Li  Li0  4  0.0644  0.2500  0.6524  1.0
  Li  Li1  4  0.1262  0.2500  0.0723  1.0
  N  N2  8  0.2404  0.0990  0.3603  1.0
]