data_[Ac3Cd36Sn18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Cd  1.6900  1.5500  1.0900
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [13.7596]
_cell_length_b [13.7596]
_cell_length_c [9.4871]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Ac(Cd2Sn)6]
_chemical_formula_sum '[Ac3 Cd36 Sn18]'
_cell_volume [1555.5221]
_cell_formula_units_Z [3]
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  3  0.0000  0.0000  0.0000  1
  Cd  Cd1  18  0.0000  0.3983  0.5000  1
  Cd  Cd2  18  0.0731  0.1462  0.3294  1
  Sn  Sn3  18  0.0094  0.5047  0.2121  1
]