data_[Li6Ta3Sb3O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Ta  1.5000  1.4500  0.8200
  Sb  2.0500  1.4500  0.8300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [5.1872]
_cell_length_b [5.1872]
_cell_length_c [13.8099]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [Li2TaSbO6]
_chemical_formula_sum '[Li6 Ta3 Sb3 O18]'
_cell_volume [321.8048]
_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  0.4620  1.0
  Li  Li1  3  0.0000  0.0000  0.9676  1.0
  Ta  Ta2  3  0.0000  0.0000  0.1824  1.0
  Sb  Sb3  3  0.0000  0.0000  0.6817  1.0
  O  O4  9  0.0452  0.3444  0.7574  1.0
  O  O5  9  0.0462  0.7033  0.2575  1.0
]