data_[Rb2Sn2I6]
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
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [6.2807]
_cell_length_b [6.4254]
_cell_length_c [12.8017]
_cell_angle_alpha [90.2678]
_cell_angle_beta [103.9847]
_cell_angle_gamma [90.1125]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [RbSnI3]
_chemical_formula_sum '[Rb2 Sn2 I6]'
_cell_volume [501.3045]
_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  0.3484  0.2392  0.6893  1.0
  Sn  Sn1  2  0.0848  0.2471  0.1504  1.0
  I  I2  2  0.0641  0.7493  0.1368  1.0
  I  I3  2  0.1918  0.2392  0.3895  1.0
  I  I4  2  0.4350  0.7448  0.8546  1.0
]