data_[Rb6U4Se6S8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  U  1.3800  1.7500  0.9913
  Se  2.5500  1.1500  1.0133
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [5.1995]
_cell_length_b [5.4784]
_cell_length_c [27.5708]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Rb3U2Se3S4]
_chemical_formula_sum '[Rb6 U4 Se6 S8]'
_cell_volume [785.3575]
_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
[
  Rb  Rb0  4  0.0000  0.0000  0.3129  1
  Rb  Rb1  2  0.0000  0.0000  0.5000  1
  U  U2  4  0.0000  0.0000  0.1002  1
  Se  Se3  4  0.0000  0.5000  0.0964  1
  Se  Se4  2  0.0000  0.0000  0.0000  1
  S  S5  4  0.0000  0.0000  0.1890  1
  S  S6  4  0.0000  0.5000  0.4020  1
]