data_[Ac8Be4Ge8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Be  1.5700  1.0500  0.5900
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.6694]
_cell_length_b [4.2244]
_cell_length_c [11.1010]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.4749]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ac2BeGe2]
_chemical_formula_sum '[Ac8 Be4 Ge8]'
_cell_volume [515.9301]
_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
[
  Ac  Ac0  4  0.0942  0.0000  0.9061  1
  Ac  Ac1  4  0.1970  0.5000  0.6385  1
  Be  Be2  4  0.0728  0.5000  0.3195  1
  Ge  Ge3  4  0.0406  0.0000  0.4038  1
  Ge  Ge4  4  0.1448  0.5000  0.1494  1
]