data_[Sr8Mg4Ga8Ir4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Mg  1.3100  1.5000  0.8600
  Ga  1.8100  1.3000  0.7600
  Ir  2.2000  1.3500  0.7650
]
_symmetry_space_group_name_H-M [Ibam]
_cell_length_a [6.2576]
_cell_length_b [15.5228]
_cell_length_c [6.3123]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [72]
_chemical_formula_structural [Sr2MgGa2Ir]
_chemical_formula_sum '[Sr8 Mg4 Ga8 Ir4]'
_cell_volume [613.1536]
_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  0.2439  0.3357  0.0000  1.0
  Mg  Mg1  4  0.0000  0.5000  0.2500  1.0
  Ga  Ga2  8  0.2194  0.0956  0.0000  1.0
  Ir  Ir3  4  0.0000  0.0000  0.2500  1.0
]