data_[Ba3Pt3I18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Pt  2.2800  1.3500  0.8050
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [7.4529]
_cell_length_b [7.4529]
_cell_length_c [21.0924]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [BaPtI6]
_chemical_formula_sum '[Ba3 Pt3 I18]'
_cell_volume [1014.6264]
_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  3  -0.0000  0.0000  0.5000  1
  Pt  Pt1  3  0.0000  0.0000  0.0000  1
  I  I2  18  0.0107  0.6014  0.5926  1
]