data_[Ba4Hg4H8Ir2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Hg  2.0000  1.5000  1.2450
  H  2.2000  0.2500  0.0000
  Ir  2.2000  1.3500  0.7650
]
_symmetry_space_group_name_H-M [I4/mmm]
_cell_length_a [6.5476]
_cell_length_b [6.5476]
_cell_length_c [8.1288]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [139]
_chemical_formula_structural [Ba2Hg2H4Ir]
_chemical_formula_sum '[Ba4 Hg4 H8 Ir2]'
_cell_volume [348.4931]
_cell_formula_units_Z [2]
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
[
  Ba  Ba0  4  0.0000  0.5000  0.2500  1
  Hg  Hg1  4  0.0000  0.0000  0.3338  1
  H  H2  8  0.1854  0.1854  0.0000  1
  Ir  Ir3  2  0.0000  0.0000  0.0000  1
]