data_[Rb2Sn6I16]
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 [C2/m]
_cell_length_a [15.5654]
_cell_length_b [9.5350]
_cell_length_c [8.8904]
_cell_angle_alpha [90.0000]
_cell_angle_beta [121.6909]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [RbSn3I8]
_chemical_formula_sum '[Rb2 Sn6 I16]'
_cell_volume [1122.7351]
_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  0.0000  0.0000  0.0000  1
  Sn  Sn1  4  0.2500  0.2500  0.5000  1
  Sn  Sn2  2  0.0000  0.5000  0.0000  1
  I  I3  8  0.0087  0.2815  0.2679  1
  I  I4  4  0.2353  0.5000  0.7213  1
  I  I5  4  0.2423  0.5000  0.2390  1
]