data_[Ac18La8Hg22]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  La  1.1000  1.9500  1.1720
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [16.8373]
_cell_length_b [24.0208]
_cell_length_c [3.8775]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Ac9La4Hg11]
_chemical_formula_sum '[Ac18 La8 Hg22]'
_cell_volume [1568.2530]
_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  8  0.1165  0.2620  0.5000  1
  Ac  Ac1  8  0.1203  0.0862  0.5000  1
  La  La2  8  0.1561  0.4087  0.5000  1
  Ac  Ac3  2  0.0000  0.5000  0.5000  1
  Hg  Hg4  8  0.2352  0.1768  0.0000  1
  Hg  Hg5  4  0.0000  0.1725  0.0000  1
  Hg  Hg6  4  0.0000  0.3676  0.0000  1
  Hg  Hg7  4  0.2494  0.0000  0.0000  1
  Hg  Hg8  2  0.0000  0.0000  0.0000  1
]