data_[Ac8As4S2O4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  As  2.1800  1.1500  0.6600
  S  2.5800  1.0000  0.8800
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [15.8453]
_cell_length_b [4.1869]
_cell_length_c [7.6890]
_cell_angle_alpha [90.0000]
_cell_angle_beta [112.1484]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ac4As2SO2]
_chemical_formula_sum '[Ac8 As4 S2 O4]'
_cell_volume [472.4662]
_cell_formula_units_Z [2]
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  4  0.0236  0.5000  0.7399  1
  Ac  Ac1  4  0.2194  0.0000  0.1914  1
  As  As2  4  0.1275  0.0000  0.5415  1
  S  S3  2  0.0000  0.0000  0.0000  1
  O  O4  4  0.1751  0.5000  0.9918  1
]