data_[K4Na4Be8F24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Na  0.9300  1.8000  1.1600
  Be  1.5700  1.0500  0.5900
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [10.0734]
_cell_length_b [10.0694]
_cell_length_c [5.1991]
_cell_angle_alpha [90.0000]
_cell_angle_beta [100.1851]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [KNaBe2F6]
_chemical_formula_sum '[K4 Na4 Be8 F24]'
_cell_volume [519.0471]
_cell_formula_units_Z [4]
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  4  0.0000  0.1889  0.2500  1.0
  Na  Na1  4  0.0000  0.3975  0.7500  1.0
  Be  Be2  8  0.2178  0.0836  0.7849  1.0
  F  F3  8  0.1282  0.4176  0.1632  1.0
  F  F4  8  0.1477  0.2168  0.7307  1.0
  F  F5  8  0.1642  0.0114  0.0288  1.0
]