data_[Ac6Si2Ge2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Si  1.9000  1.1000  0.5400
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [Pmmn]
_cell_length_a [4.6855]
_cell_length_b [10.1502]
_cell_length_c [6.9225]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [59]
_chemical_formula_structural [Ac3SiGe]
_chemical_formula_sum '[Ac6 Si2 Ge2]'
_cell_volume [329.2246]
_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  0.0000  0.3024  0.2545  1
  Ac  Ac1  2  0.0000  0.5000  0.7497  1
  Si  Si2  2  0.0000  0.0000  0.5606  1
  Ge  Ge3  2  0.0000  0.0000  0.9347  1
]