data_[Ge4F8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ge  2.0100  1.2500  0.7700
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P2_12_12_1]
_cell_length_a [4.9713]
_cell_length_b [5.2396]
_cell_length_c [8.2460]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [19]
_chemical_formula_structural [GeF2]
_chemical_formula_sum '[Ge4 F8]'
_cell_volume [214.7916]
_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
[
  Ge  Ge0  4  0.2261  0.0253  0.1240  1.0
  F  F1  4  0.0344  0.6270  0.5307  1.0
  F  F2  4  0.0946  0.2538  0.2853  1.0
]