data_[K9Rb9Al3F24]
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
  Al  1.6100  1.2500  0.6750
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [7.6798]
_cell_length_b [7.6798]
_cell_length_c [19.4498]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [K3Rb3AlF8]
_chemical_formula_sum '[K9 Rb9 Al3 F24]'
_cell_volume [993.4537]
_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
  Al  Al2  3  -0.0000  -0.0000  0.5000  1.0
  F  F3  18  0.1048  0.5524  0.2213  1.0
  F  F4  6  0.0000  0.0000  0.2438  1.0
]