data_[Ac8Sn6O2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Sn  1.9600  1.4500  0.8300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [7.1659]
_cell_length_b [11.3094]
_cell_length_c [6.8310]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [Ac4Sn3O]
_chemical_formula_sum '[Ac8 Sn6 O2]'
_cell_volume [553.6002]
_cell_formula_units_Z [2]
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  0.3109  0.1873  1
  Ac  Ac1  4  0.2447  0.0000  0.2907  1
  Sn  Sn2  4  0.0000  0.2316  0.6543  1
  Sn  Sn3  2  0.0000  0.0000  0.8573  1
  O  O4  2  0.0000  0.5000  0.0292  1
]