data_[K6Na6Cr2F16]
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
  Cr  1.6600  1.4000  0.9400
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.9318]
_cell_length_b [6.9862]
_cell_length_c [7.2527]
_cell_angle_alpha [90.0000]
_cell_angle_beta [123.4709]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K3Na3CrF8]
_chemical_formula_sum '[K6 Na6 Cr2 F16]'
_cell_volume [504.3118]
_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  4  0.2500  0.2500  0.0000  1.0
  K  K1  2  0.0000  0.0000  0.0000  1.0
  Na  Na2  4  0.2500  0.2500  0.5000  1.0
  Na  Na3  2  0.0000  0.5000  0.5000  1.0
  Cr  Cr4  2  0.0000  0.0000  0.5000  1.0
  F  F5  8  0.0109  0.2318  0.3005  1.0
  F  F6  4  0.2048  0.0000  0.6875  1.0
  F  F7  4  0.2389  0.5000  0.7156  1.0
]