data_[Na1Ir1S2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ir  2.2000  1.3500  0.7650
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [P-3m1]
_cell_length_a [3.6745]
_cell_length_b [3.6745]
_cell_length_c [6.2944]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [164]
_chemical_formula_structural [NaIrS2]
_chemical_formula_sum '[Na1 Ir1 S2]'
_cell_volume [73.6003]
_cell_formula_units_Z [1]
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  1  0.0000  0.0000  0.5000  1.0
  Ir  Ir1  1  0.0000  0.0000  0.0000  1.0
  S  S2  2  0.3333  0.6667  0.8170  1.0
]