data_[Ac24Si9I12O3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Si  1.9000  1.1000  0.5400
  I  2.6600  1.4000  1.2733
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [8.8069]
_cell_length_b [8.8069]
_cell_length_c [24.9426]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Ac8Si3I4O]
_chemical_formula_sum '[Ac24 Si9 I12 O3]'
_cell_volume [1675.4184]
_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
[
  Ac  Ac0  18  0.0226  0.5113  0.7295  1
  Ac  Ac1  6  0.0000  0.0000  0.2664  1
  Si  Si2  9  0.0000  0.5000  0.0000  1
  I  I3  9  0.0000  0.5000  0.5000  1
  I  I4  3  -0.0000  -0.0000  0.5000  1
  O  O5  3  -0.0000  -0.0000  0.0000  1
]