data_[K2Rb2Na2F6]
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
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.4386]
_cell_length_b [3.7964]
_cell_length_c [9.4888]
_cell_angle_alpha [90.0000]
_cell_angle_beta [101.9031]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [KRbNaF3]
_chemical_formula_sum '[K2 Rb2 Na2 F6]'
_cell_volume [226.9524]
_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  2  0.2364  0.7500  0.9482  1.0
  Rb  Rb1  2  0.3500  0.2500  0.3169  1.0
  Na  Na2  2  0.1275  0.2500  0.6372  1.0
  F  F3  2  0.0418  0.7500  0.1734  1.0
  F  F4  2  0.2112  0.7500  0.5244  1.0
  F  F5  2  0.4349  0.2500  0.8229  1.0
]