data_[K8S4O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  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 [6.0304]
_cell_length_b [9.9646]
_cell_length_c [8.0297]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.1879]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [K2SO4]
_chemical_formula_sum '[K8 S4 O16]'
_cell_volume [482.5035]
_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
[
  K  K0  4  0.0000  0.0000  0.0000  1.0
  K  K1  4  0.0000  0.3080  0.7500  1.0
  S  S2  4  0.0000  0.3507  0.2500  1.0
  O  O3  8  0.0130  0.2644  0.0990  1.0
  O  O4  8  0.2019  0.4391  0.2590  1.0
]