data_[Rb2Si2Sb2S8]
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
  Sb  2.0500  1.4500  0.8300
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.8760]
_cell_length_b [6.7474]
_cell_length_c [9.1157]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.2465]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbSiSbS4]
_chemical_formula_sum '[Rb2 Si2 Sb2 S8]'
_cell_volume [401.6521]
_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  2  0.2776  0.7500  0.0518  1.0
  Si  Si1  2  0.2470  0.2500  0.3291  1.0
  Sb  Sb2  2  0.2385  0.7500  0.5034  1.0
  S  S3  4  0.0410  0.0009  0.2929  1.0
  S  S4  2  0.4249  0.2500  0.1821  1.0
  S  S5  2  0.4354  0.2500  0.5691  1.0
]