data_[Rb4Ba2Sn4S8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ba  0.8900  2.1500  1.4900
  Sn  1.9600  1.4500  0.8300
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [18.4221]
_cell_length_b [4.2287]
_cell_length_c [8.5611]
_cell_angle_alpha [90.0000]
_cell_angle_beta [115.8006]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb2Ba(SnS2)2]
_chemical_formula_sum '[Rb4 Ba2 Sn4 S8]'
_cell_volume [600.4411]
_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  0.1211  0.0000  0.5535  1.0
  Ba  Ba1  2  0.0000  0.0000  0.0000  1.0
  Sn  Sn2  4  0.1931  0.5000  0.0506  1.0
  S  S3  4  0.0552  0.5000  0.7951  1.0
  S  S4  4  0.1842  0.0000  0.2392  1.0
]