data_[K4Y4Ir2O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  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 [C2/m]
_cell_length_a [5.8119]
_cell_length_b [9.9631]
_cell_length_c [6.5851]
_cell_angle_alpha [90.0000]
_cell_angle_beta [105.3659]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K2Y2IrO6]
_chemical_formula_sum '[K4 Y4 Ir2 O12]'
_cell_volume [367.6810]
_cell_formula_units_Z [2]
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  0.1599  0.0000  1
  Y  Y1  4  0.0000  0.3357  0.5000  1
  Ir  Ir2  2  0.0000  0.0000  0.5000  1
  O  O3  8  0.2040  0.1558  0.6731  1
  O  O4  4  0.2485  0.5000  0.6772  1
]