data_[Zn3Co6Ir3O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Zn  1.6500  1.3500  0.8800
  Co  1.8800  1.3500  0.7683
  Ir  2.2000  1.3500  0.7650
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [5.1787]
_cell_length_b [5.1787]
_cell_length_c [13.8076]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [ZnCo2IrO6]
_chemical_formula_sum '[Zn3 Co6 Ir3 O18]'
_cell_volume [320.6877]
_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
[
  Zn  Zn0  3  0.0000  0.0000  0.1989  1
  Co  Co1  3  0.0000  0.0000  0.4753  1
  Co  Co2  3  0.0000  0.0000  0.9856  1
  Ir  Ir3  3  0.0000  0.0000  0.6791  1
  O  O4  9  0.0084  0.7073  0.5861  1
  O  O5  9  0.0229  0.3414  0.7478  1
]