data_[Na3Li6Ir3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Li  0.9800  1.4500  0.9000
  Ir  2.2000  1.3500  0.7650
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [2.8074]
_cell_length_b [2.8074]
_cell_length_c [30.7604]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [NaLi2Ir]
_chemical_formula_sum '[Na3 Li6 Ir3]'
_cell_volume [209.9512]
_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
[
  Na  Na0  3  0.0000  0.0000  0.0000  1
  Li  Li1  6  0.0000  0.0000  0.1000  1
  Ir  Ir2  3  -0.0000  -0.0000  0.5000  1
]