data_[Ac8S4O8]
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
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [10.2432]
_cell_length_b [8.2887]
_cell_length_c [7.3221]
_cell_angle_alpha [90.0000]
_cell_angle_beta [132.1139]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Ac2SO2]
_chemical_formula_sum '[Ac8 S4 O8]'
_cell_volume [461.1653]
_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
[
  Ac  Ac0  8  0.1909  0.1372  0.7283  1
  S  S1  4  0.0000  0.3676  0.2500  1
  O  O2  8  0.1375  0.1233  0.0184  1
]