data_[Ac8Ge4F2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Ge  2.0100  1.2500  0.7700
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.1915]
_cell_length_b [7.6262]
_cell_length_c [8.9399]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.0399]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Ac4Ge2F]
_chemical_formula_sum '[Ac8 Ge4 F2]'
_cell_volume [466.1939]
_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
[
  Ac  Ac0  4  0.4919  0.5040  0.7473  1
  Ac  Ac1  2  0.0457  0.7500  0.3920  1
  Ac  Ac2  2  0.0554  0.7500  0.8850  1
  Ge  Ge3  2  0.2865  0.2500  0.9500  1
  Ge  Ge4  2  0.2926  0.2500  0.4443  1
  F  F5  2  0.2515  0.7500  0.1888  1
]