data_[Ac3S1I7]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  S  2.5800  1.0000  0.8800
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [P3m1]
_cell_length_a [9.5419]
_cell_length_b [9.5419]
_cell_length_c [7.7393]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [156]
_chemical_formula_structural [Ac3SI7]
_chemical_formula_sum '[Ac3 S1 I7]'
_cell_volume [610.2413]
_cell_formula_units_Z [1]
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  3  0.0176  0.5088  0.2306  1
  S  S1  1  0.3333  0.6667  0.3824  1
  I  I2  3  0.1676  0.3352  0.9832  1
  I  I3  3  0.3436  0.1718  0.4580  1
  I  I4  1  0.6667  0.3333  0.9870  1
]