data_[K1Na2Ge1F8]
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
  Ge  2.0100  1.2500  0.7700
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [4.8890]
_cell_length_b [5.0730]
_cell_length_c [7.4749]
_cell_angle_alpha [90.9266]
_cell_angle_beta [93.9079]
_cell_angle_gamma [90.7077]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [KNa2GeF8]
_chemical_formula_sum '[K1 Na2 Ge1 F8]'
_cell_volume [184.9179]
_cell_formula_units_Z [1]
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  1  0.0000  0.0000  0.5000  1.0
  Na  Na1  2  0.4943  0.4978  0.2152  1.0
  Ge  Ge2  1  0.0000  0.0000  0.0000  1.0
  F  F3  2  0.1825  0.8226  0.8293  1.0
  F  F4  2  0.2229  0.8652  0.1843  1.0
  F  F5  2  0.2381  0.2811  0.9864  1.0
  F  F6  2  0.2996  0.4559  0.4935  1.0
]