data_[K2Rb4Sb2I12]
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
  Sb  2.0500  1.4500  0.8300
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [8.6006]
_cell_length_b [9.1858]
_cell_length_c [15.0962]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.6047]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [KRb2SbI6]
_chemical_formula_sum '[K2 Rb4 Sb2 I12]'
_cell_volume [981.6587]
_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  0.2820  0.5857  0.7498  1.0
  K  K1  2  0.5000  0.0000  0.0000  1.0
  Sb  Sb2  2  0.0000  0.0000  0.5000  1.0
  I  I3  4  0.1126  0.5360  0.2309  1.0
  I  I4  4  0.2297  0.2172  0.0619  1.0
  I  I5  4  0.3461  0.6767  0.0556  1.0
]