data_[K4Al8Ir4O24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Al  1.6100  1.2500  0.6750
  Ir  2.2000  1.3500  0.7650
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [10.2109]
_cell_length_b [9.0684]
_cell_length_c [5.7442]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.5986]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [KAl2IrO6]
_chemical_formula_sum '[K4 Al8 Ir4 O24]'
_cell_volume [509.7266]
_cell_formula_units_Z [4]
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
[
  K  K0  4  0.0000  0.1829  0.2500  1
  Al  Al1  8  0.2068  0.0876  0.7967  1
  Ir  Ir2  4  0.0000  0.4106  0.7500  1
  O  O3  8  0.1032  0.4266  0.1121  1
  O  O4  8  0.1315  0.2681  0.7071  1
  O  O5  8  0.1569  0.0158  0.0343  1
]