data_[Cs2K2Rb2F6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  K  0.8200  2.2000  1.5200
  Rb  0.8200  2.3500  1.6600
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.9728]
_cell_length_b [4.0629]
_cell_length_c [10.5102]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.0440]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [CsKRbF3]
_chemical_formula_sum '[Cs2 K2 Rb2 F6]'
_cell_volume [291.2002]
_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
[
  Cs  Cs0  2  0.3506  0.2500  0.3086  1.0
  K  K1  2  0.1332  0.2500  0.6405  1.0
  Rb  Rb2  2  0.2356  0.7500  0.9535  1.0
  F  F3  2  0.0437  0.7500  0.1647  1.0
  F  F4  2  0.2321  0.7500  0.5119  1.0
  F  F5  2  0.4397  0.2500  0.8332  1.0
]