data_[Ba6Li6Nb3O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Li  0.9800  1.4500  0.9000
  Nb  1.6000  1.4500  0.8200
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [5.9023]
_cell_length_b [5.9023]
_cell_length_c [15.7799]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Ba2Li2NbO6]
_chemical_formula_sum '[Ba6 Li6 Nb3 O18]'
_cell_volume [476.0750]
_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
[
  Ba  Ba0  6  0.0000  0.0000  0.2312  1.0
  Li  Li1  6  0.0000  0.0000  0.4273  1.0
  Nb  Nb2  3  0.0000  0.0000  0.0000  1.0
  O  O3  18  0.0181  0.5090  0.7434  1.0
]