data_[Ac6Mg6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Mg  1.3100  1.5000  0.8600
]
_symmetry_space_group_name_H-M [Pmma]
_cell_length_a [5.5866]
_cell_length_b [5.4971]
_cell_length_c [13.5862]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [51]
_chemical_formula_structural [AcMg]
_chemical_formula_sum '[Ac6 Mg6]'
_cell_volume [417.2288]
_cell_formula_units_Z [6]
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  0.2500  0.0000  0.3862  1
  Ac  Ac1  2  0.2500  0.5000  0.5980  1
  Ac  Ac2  2  0.2500  0.5000  0.9109  1
  Mg  Mg3  2  0.2500  0.0000  0.0917  1
  Mg  Mg4  2  0.2500  0.0000  0.7666  1
  Mg  Mg5  2  0.2500  0.5000  0.2264  1
]