data_[K2Na2Zn2F8]
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
  Zn  1.6500  1.3500  0.8800
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [I4mm]
_cell_length_a [4.0900]
_cell_length_b [4.0900]
_cell_length_c [12.6069]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [107]
_chemical_formula_structural [KNaZnF4]
_chemical_formula_sum '[K2 Na2 Zn2 F8]'
_cell_volume [210.8887]
_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  0.0000  0.0000  0.6463  1.0
  Na  Na1  2  0.0000  0.0000  0.3561  1.0
  Zn  Zn2  2  0.0000  0.0000  0.0008  1.0
  F  F3  4  0.0000  0.5000  0.4948  1.0
  F  F4  2  0.0000  0.0000  0.1657  1.0
  F  F5  2  0.0000  0.0000  0.8414  1.0
]