data_[Na9Y9Ir3O24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Y  1.2200  1.8000  1.0400
  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 [6.7046]
_cell_length_b [6.7046]
_cell_length_c [16.6800]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Na3Y3IrO8]
_chemical_formula_sum '[Na9 Y9 Ir3 O24]'
_cell_volume [649.3431]
_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  0.5000  1.0
  Y  Y1  9  0.0000  0.5000  0.0000  1.0
  Ir  Ir2  3  0.0000  0.0000  0.0000  1.0
  O  O3  18  0.0282  0.5141  0.7338  1.0
  O  O4  6  0.0000  0.0000  0.2633  1.0
]