data_[Sr8B16Ir20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  B  2.0400  0.8500  0.4100
  Ir  2.2000  1.3500  0.7650
]
_symmetry_space_group_name_H-M [Fmmm]
_cell_length_a [5.6094]
_cell_length_b [10.2011]
_cell_length_c [11.3528]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [69]
_chemical_formula_structural [Sr2B4Ir5]
_chemical_formula_sum '[Sr8 B16 Ir20]'
_cell_volume [649.6232]
_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
[
  Sr  Sr0  8  0.0000  0.0000  0.1426  1.0
  B  B1  16  0.0000  0.1630  0.3711  1.0
  Ir  Ir2  8  0.2500  0.2500  0.0000  1.0
  Ir  Ir3  8  0.2500  0.2500  0.2500  1.0
  Ir  Ir4  4  0.0000  0.0000  0.5000  1.0
]