data_[Rb8Si4Te8S4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Si  1.9000  1.1000  0.5400
  Te  2.1000  1.4000  1.2933
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [14.5138]
_cell_length_b [7.5761]
_cell_length_c [10.4033]
_cell_angle_alpha [90.0000]
_cell_angle_beta [123.3281]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb2SiTe2S]
_chemical_formula_sum '[Rb8 Si4 Te8 S4]'
_cell_volume [955.7890]
_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  0.1055  0.5000  0.8806  1
  Rb  Rb1  4  0.1632  0.0000  0.3009  1
  Si  Si2  4  0.1205  0.0000  0.6896  1
  Te  Te3  4  0.0000  0.2504  0.5000  1
  Te  Te4  4  0.1956  0.5000  0.2768  1
  S  S5  4  0.1173  0.0000  0.8873  1
]