data_[Li3Cr6Ir3O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Cr  1.6600  1.4000  0.9400
  Ir  2.2000  1.3500  0.7650
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [5.0853]
_cell_length_b [5.0853]
_cell_length_c [13.9803]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [LiCr2IrO6]
_chemical_formula_sum '[Li3 Cr6 Ir3 O18]'
_cell_volume [313.1016]
_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  0.8000  1.0
  Cr  Cr1  3  0.0000  0.0000  0.0098  1.0
  Cr  Cr2  3  0.0000  0.0000  0.5178  1.0
  Ir  Ir3  3  0.0000  0.0000  0.3230  1.0
  O  O4  9  0.0148  0.3465  0.5875  1.0
  O  O5  9  0.0432  0.6847  0.0827  1.0
]