data_[Rb4Si4S16]
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
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [14.8900]
_cell_length_b [7.0496]
_cell_length_c [6.8854]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.1001]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [RbSiS4]
_chemical_formula_sum '[Rb4 Si4 S16]'
_cell_volume [700.9684]
_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  0.2150  0.0000  0.1929  1
  Si  Si1  4  0.0728  0.5000  0.2008  1
  S  S2  8  0.0659  0.3087  0.4949  1
  S  S3  4  0.0000  0.2781  0.0000  1
  S  S4  4  0.2158  0.5000  0.2589  1
]