data_[Rb8Se4O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Se  2.5500  1.1500  1.0133
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cc]
_cell_length_a [6.6259]
_cell_length_b [10.9704]
_cell_length_c [8.2801]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.2692]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [9]
_chemical_formula_structural [Rb2SeO4]
_chemical_formula_sum '[Rb8 Se4 O16]'
_cell_volume [601.8588]
_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  4  0.0138  0.0006  0.4944  1.0
  Rb  Rb1  4  0.0355  0.3259  0.7485  1.0
  Se  Se2  4  0.4926  0.1616  0.7441  1.0
  O  O3  4  0.2183  0.4088  0.2307  1.0
  O  O4  4  0.3124  0.0526  0.7528  1.0
  O  O5  4  0.4481  0.2491  0.5822  1.0
  O  O6  4  0.4793  0.2477  0.9098  1.0
]