data_[Rb8Ir12S16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ir  2.2000  1.3500  0.7650
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [Fmmm]
_cell_length_a [6.0522]
_cell_length_b [10.2596]
_cell_length_c [14.3990]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [69]
_chemical_formula_structural [Rb2Ir3S4]
_chemical_formula_sum '[Rb8 Ir12 S16]'
_cell_volume [894.0788]
_cell_formula_units_Z [4]
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
[
  Rb  Rb0  8  0.0000  0.0000  0.3488  1.0
  Ir  Ir1  8  0.2500  0.2500  0.0000  1.0
  Ir  Ir2  4  0.0000  0.0000  0.0000  1.0
  S  S3  16  0.0000  0.1680  0.1110  1.0
]