data_[Sn4Ge4F16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sn  1.9600  1.4500  0.8300
  Ge  2.0100  1.2500  0.7700
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [I4_1md]
_cell_length_a [7.5737]
_cell_length_b [7.5737]
_cell_length_c [7.9050]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [109]
_chemical_formula_structural [SnGeF4]
_chemical_formula_sum '[Sn4 Ge4 F16]'
_cell_volume [453.4351]
_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
[
  Sn  Sn0  4  0.0000  0.0000  0.4601  1
  Ge  Ge1  4  0.0000  0.0000  0.9621  1
  F  F2  8  0.0000  0.1813  0.7794  1
  F  F3  8  0.0000  0.1990  0.2595  1
]