data_[Ac8Mg4Sn24]
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
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [9.4905]
_cell_length_b [9.8190]
_cell_length_c [12.0413]
_cell_angle_alpha [90.0000]
_cell_angle_beta [101.5975]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ac2MgSn6]
_chemical_formula_sum '[Ac8 Mg4 Sn24]'
_cell_volume [1099.1879]
_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  8  0.0868  0.2474  0.3389  1
  Mg  Mg1  4  0.2006  0.0000  0.8044  1
  Sn  Sn2  8  0.2198  0.2825  0.8810  1
  Sn  Sn3  4  0.0090  0.5000  0.8801  1
  Sn  Sn4  4  0.0694  0.0000  0.1195  1
  Sn  Sn5  4  0.1393  0.5000  0.5923  1
  Sn  Sn6  4  0.1488  0.0000  0.5632  1
]