data_[K2Rb4Sn2I12]
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
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [8.6092]
_cell_length_b [9.1821]
_cell_length_c [15.0114]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.4492]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [KRb2SnI6]
_chemical_formula_sum '[K2 Rb4 Sn2 I12]'
_cell_volume [978.5563]
_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  0.2834  0.5855  0.7511  1.0
  K  K1  2  0.5000  0.0000  0.0000  1.0
  Sn  Sn2  2  0.0000  0.0000  0.5000  1.0
  I  I3  4  0.1120  0.5368  0.2313  1.0
  I  I4  4  0.2306  0.2177  0.0622  1.0
  I  I5  4  0.3441  0.6771  0.0549  1.0
]