data_[Na4Ac8Cd4O20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ac  1.1000  1.9500  1.2600
  Cd  1.6900  1.5500  1.0900
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [3.7372]
_cell_length_b [14.3702]
_cell_length_c [10.5368]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [NaAc2CdO5]
_chemical_formula_sum '[Na4 Ac8 Cd4 O20]'
_cell_volume [565.8689]
_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
[
  Na  Na0  4  0.0000  0.2109  0.9994  1
  Ac  Ac1  4  0.0000  0.1141  0.6842  1
  Ac  Ac2  4  0.0000  0.1406  0.2919  1
  Cd  Cd3  4  0.0000  0.4615  0.4733  1
  O  O4  4  0.0000  0.0554  0.0778  1
  O  O5  4  0.0000  0.2847  0.6762  1
  O  O6  4  0.0000  0.3216  0.3467  1
  O  O7  4  0.0000  0.3725  0.0034  1
  O  O8  4  0.0000  0.4952  0.7711  1
]