data_[Co3Ni6Ir3O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Co  1.8800  1.3500  0.7683
  Ni  1.9100  1.3500  0.7400
  Ir  2.2000  1.3500  0.7650
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [5.1187]
_cell_length_b [5.1187]
_cell_length_c [13.7711]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [CoNi2IrO6]
_chemical_formula_sum '[Co3 Ni6 Ir3 O18]'
_cell_volume [312.4718]
_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
[
  Co  Co0  3  0.0000  0.0000  0.1885  1
  Ni  Ni1  3  0.0000  0.0000  0.4793  1
  Ni  Ni2  3  0.0000  0.0000  0.9838  1
  Ir  Ir3  3  0.0000  0.0000  0.6798  1
  O  O4  9  0.0298  0.3449  0.7496  1
  O  O5  9  0.0361  0.6688  0.2528  1
]