data_[Na9Ga9Ir3O24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ga  1.8100  1.3000  0.7600
  Ir  2.2000  1.3500  0.7650
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [6.0912]
_cell_length_b [6.0912]
_cell_length_c [16.3320]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Na3Ga3IrO8]
_chemical_formula_sum '[Na9 Ga9 Ir3 O24]'
_cell_volume [524.7756]
_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
[
  Na  Na0  9  0.0000  0.5000  0.0000  1.0
  Ga  Ga1  9  0.0000  0.5000  0.5000  1.0
  Ir  Ir2  3  -0.0000  -0.0000  0.5000  1.0
  O  O3  18  0.0012  0.5006  0.2299  1.0
  O  O4  6  0.0000  0.0000  0.2328  1.0
]