data_[K12Rb9Na3Cl24]
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
  Na  0.9300  1.8000  1.1600
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [9.0940]
_cell_length_b [9.0940]
_cell_length_c [22.2559]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [K4Rb3NaCl8]
_chemical_formula_sum '[K12 Rb9 Na3 Cl24]'
_cell_volume [1593.9861]
_cell_formula_units_Z [3]
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  9  0.0000  0.5000  0.0000  1.0
  K  K1  9  0.0000  0.5000  0.5000  1.0
  K  K2  3  -0.0000  -0.0000  0.5000  1.0
  Na  Na3  3  -0.0000  -0.0000  0.0000  1.0
  Cl  Cl4  18  0.0172  0.5086  0.7496  1.0
  Cl  Cl5  6  0.0000  0.0000  0.2455  1.0
]