data_[Li16Si16Ir8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Si  1.9000  1.1000  0.5400
  Ir  2.2000  1.3500  0.7650
]
_symmetry_space_group_name_H-M [Fddd]
_cell_length_a [4.8215]
_cell_length_b [8.5294]
_cell_length_c [12.5882]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [70]
_chemical_formula_structural [Li2Si2Ir]
_chemical_formula_sum '[Li16 Si16 Ir8]'
_cell_volume [517.6823]
_cell_formula_units_Z [8]
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
[
  Li  Li0  16  0.0000  0.0000  0.4022  1
  Si  Si1  16  0.0000  0.0000  0.1999  1
  Ir  Ir2  8  0.0000  0.0000  0.0000  1
]