data_[K6Rb2I6]
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
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [Pm-3n]
_cell_length_a [9.7755]
_cell_length_b [9.7755]
_cell_length_c [9.7755]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [223]
_chemical_formula_structural [K3RbI3]
_chemical_formula_sum '[K6 Rb2 I6]'
_cell_volume [934.1470]
_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
[
  K  K0  6  0.0000  0.5000  0.2500  1
  Rb  Rb1  2  0.0000  0.0000  0.0000  1
  I  I2  6  0.0000  0.2500  0.5000  1
]