data_[Li3Ni6Ru3O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Ni  1.9100  1.3500  0.7400
  Ru  2.2000  1.3000  0.6610
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [5.0845]
_cell_length_b [5.0845]
_cell_length_c [13.9268]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [LiNi2RuO6]
_chemical_formula_sum '[Li3 Ni6 Ru3 O18]'
_cell_volume [311.8015]
_cell_formula_units_Z [3]
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  3  0.0000  0.0000  0.5157  1.0
  Ni  Ni1  3  0.0000  0.0000  0.3025  1.0
  Ni  Ni2  3  0.0000  0.0000  0.7995  1.0
  Ru  Ru3  3  0.0000  0.0000  0.9953  1.0
  O  O4  9  0.0016  0.3501  0.7269  1.0
  O  O5  9  0.0115  0.7127  0.9019  1.0
]