data_[Ac4Al8Zn4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Al  1.6100  1.2500  0.6750
  Zn  1.6500  1.3500  0.8800
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [7.0768]
_cell_length_b [4.7149]
_cell_length_c [11.1819]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [AcAl2Zn]
_chemical_formula_sum '[Ac4 Al8 Zn4]'
_cell_volume [373.0971]
_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  2  0.0000  0.0000  0.5598  1
  Ac  Ac1  2  0.5000  0.0000  0.7672  1
  Al  Al2  4  0.3133  0.0000  0.0552  1
  Al  Al3  2  0.0000  0.0000  0.8569  1
  Al  Al4  2  0.5000  0.0000  0.4738  1
  Zn  Zn5  4  0.1838  0.0000  0.2803  1
]