data_[Dy6Mg3Ir3O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Dy  1.2200  1.7500  1.1310
  Mg  1.3100  1.5000  0.8600
  Ir  2.2000  1.3500  0.7650
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [5.5148]
_cell_length_b [5.5148]
_cell_length_c [13.9543]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [Dy2MgIrO6]
_chemical_formula_sum '[Dy6 Mg3 Ir3 O18]'
_cell_volume [367.5312]
_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
[
  Dy  Dy0  3  0.0000  0.0000  0.0333  1.0
  Dy  Dy1  3  0.0000  0.0000  0.5367  1.0
  Mg  Mg2  3  0.0000  0.0000  0.8119  1.0
  Ir  Ir3  3  0.0000  0.0000  0.3200  1.0
  O  O4  9  0.0119  0.3985  0.5773  1.0
  O  O5  9  0.0199  0.6187  0.0760  1.0
]