data_[Li6Ru2N6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Ru  2.2000  1.3000  0.6610
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [18.8448]
_cell_length_b [3.5443]
_cell_length_c [10.7100]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [Li3RuN3]
_chemical_formula_sum '[Li6 Ru2 N6]'
_cell_volume [715.3363]
_cell_formula_units_Z [2]
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  0.3980  0.0000  0.3871  1
  Li  Li1  2  0.5000  0.0000  0.0911  1
  Ru  Ru2  2  0.5000  0.0000  0.8523  1
  N  N3  4  0.4215  0.0000  0.9511  1
  N  N4  2  0.5000  0.0000  0.2753  1
]