data_[K4Ge2F16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Ge  2.0100  1.2500  0.7700
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [10.8020]
_cell_length_b [6.2008]
_cell_length_c [6.5637]
_cell_angle_alpha [90.0000]
_cell_angle_beta [122.1270]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K2GeF8]
_chemical_formula_sum '[K4 Ge2 F16]'
_cell_volume [372.3221]
_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  0.2495  0.5000  0.2358  1
  Ge  Ge1  2  0.0000  0.0000  0.0000  1
  F  F2  8  0.0794  0.2075  0.9057  1
  F  F3  4  0.0787  0.5000  0.5493  1
  F  F4  4  0.1671  0.0000  0.3053  1
]