data_[Ba18Ir3Pt6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Ir  2.2000  1.3500  0.7650
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [7.8951]
_cell_length_b [7.8951]
_cell_length_c [22.5817]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Ba6IrPt2]
_chemical_formula_sum '[Ba18 Ir3 Pt6]'
_cell_volume [1219.0055]
_cell_formula_units_Z [3]
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  18  0.0063  0.6920  0.9152  1
  Ir  Ir1  3  0.0000  0.0000  0.0000  1
  Pt  Pt2  6  0.0000  0.0000  0.1741  1
]