data_[Rb4Sn4S6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  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 [15.7266]
_cell_length_b [3.9731]
_cell_length_c [7.5037]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.9625]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb2Sn2S3]
_chemical_formula_sum '[Rb4 Sn4 S6]'
_cell_volume [456.9085]
_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  0.1227  0.5000  0.8063  1.0
  Sn  Sn1  4  0.1152  0.0000  0.3124  1.0
  S  S2  4  0.2107  0.5000  0.2488  1.0
  S  S3  2  0.0000  0.0000  0.0000  1.0
]