data_[Ac10Mg10]
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 [Cmmm]
_cell_length_a [5.6395]
_cell_length_b [21.9221]
_cell_length_c [5.6422]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [AcMg]
_chemical_formula_sum '[Ac10 Mg10]'
_cell_volume [697.5460]
_cell_formula_units_Z [10]
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  0.1903  0.0000  1
  Ac  Ac1  4  0.0000  0.3188  0.5000  1
  Ac  Ac2  2  0.0000  0.0000  0.0000  1
  Mg  Mg3  4  0.0000  0.0856  0.5000  1
  Mg  Mg4  4  0.0000  0.4138  0.0000  1
  Mg  Mg5  2  0.0000  0.5000  0.5000  1
]