data_[K4Rb4Sn4S8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  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 [14.3701]
_cell_length_b [4.1404]
_cell_length_c [12.3641]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.0180]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [KRbSnS2]
_chemical_formula_sum '[K4 Rb4 Sn4 S8]'
_cell_volume [703.4323]
_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
[
  K  K0  4  0.1459  0.5000  0.0274  1.0
  Rb  Rb1  4  0.1554  0.5000  0.6369  1.0
  Sn  Sn2  4  0.0408  0.0000  0.2151  1.0
  S  S3  4  0.0874  0.5000  0.3529  1.0
  S  S4  4  0.1393  0.0000  0.8338  1.0
]