data_[Rb8S8O28]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  S  2.5800  1.0000  0.8800
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [7.7352]
_cell_length_b [7.8438]
_cell_length_c [13.1996]
_cell_angle_alpha [99.8194]
_cell_angle_beta [91.6938]
_cell_angle_gamma [92.2459]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [Rb2S2O7]
_chemical_formula_sum '[Rb8 S8 O28]'
_cell_volume [787.9820]
_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
[
  Rb  Rb0  2  0.1160  0.8755  0.1322  1
  Rb  Rb1  2  0.2150  0.2944  0.3719  1
  Rb  Rb2  2  0.2233  0.6214  0.8452  1
  Rb  Rb3  2  0.4437  0.2042  0.6575  1
  S  S4  2  0.0655  0.7599  0.3910  1
  S  S5  2  0.2785  0.3865  0.1071  1
  S  S6  2  0.2976  0.7246  0.5826  1
  S  S7  2  0.3416  0.1389  0.9152  1
  O  O8  2  0.0300  0.6120  0.3087  1
  O  O9  2  0.0841  0.1780  0.5525  1
  O  O10  2  0.1602  0.2608  0.1426  1
  O  O11  2  0.1807  0.8127  0.6568  1
  O  O12  2  0.1810  0.8939  0.3617  1
  O  O13  2  0.1844  0.6572  0.4715  1
  O  O14  2  0.1917  0.5042  0.0503  1
  O  O15  2  0.2279  0.0051  0.9460  1
  O  O16  2  0.2499  0.2472  0.8532  1
  O  O17  2  0.3509  0.5569  0.6031  1
  O  O18  2  0.4071  0.4684  0.1853  1
  O  O19  2  0.4104  0.2710  0.0239  1
  O  O20  2  0.4412  0.8360  0.5579  1
  O  O21  2  0.4952  0.9206  0.1266  1
]