data_[Rb4Sn2Se6]
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
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [7.3211]
_cell_length_b [8.0923]
_cell_length_c [9.1867]
_cell_angle_alpha [74.8459]
_cell_angle_beta [71.7035]
_cell_angle_gamma [66.1910]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [Rb2SnSe3]
_chemical_formula_sum '[Rb4 Sn2 Se6]'
_cell_volume [467.0515]
_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  0.0970  0.2019  0.1182  1.0
  Rb  Rb1  2  0.3467  0.5379  0.3142  1.0
  Sn  Sn2  2  0.3613  0.0615  0.6873  1.0
  Se  Se3  2  0.1627  0.3897  0.7190  1.0
  Se  Se4  2  0.2661  0.9613  0.4761  1.0
  Se  Se5  2  0.3733  0.8168  0.9203  1.0
]