data_[Rb6Sb3Ir9O36]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Sb  2.0500  1.4500  0.8300
  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 [7.2347]
_cell_length_b [7.2347]
_cell_length_c [17.8496]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Rb2Sb(IrO4)3]
_chemical_formula_sum '[Rb6 Sb3 Ir9 O36]'
_cell_volume [809.0900]
_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
[
  Rb  Rb0  6  0.0000  0.0000  0.3767  1
  Sb  Sb1  3  0.0000  0.0000  0.0000  1
  Ir  Ir2  9  0.0000  0.5000  0.5000  1
  O  O3  18  0.0569  0.5285  0.6087  1
  O  O4  18  0.0731  0.5365  0.8496  1
]