data_[Ac12Zn12Hg8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Zn  1.6500  1.3500  0.8800
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [4.8552]
_cell_length_b [11.5487]
_cell_length_c [16.0837]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Ac3Zn3Hg2]
_chemical_formula_sum '[Ac12 Zn12 Hg8]'
_cell_volume [901.8373]
_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  0.0000  0.1069  0.6050  1
  Ac  Ac1  4  0.0000  0.3859  0.7500  1
  Zn  Zn2  8  0.0000  0.3997  0.5391  1
  Zn  Zn3  4  0.0000  0.3301  0.2500  1
  Hg  Hg4  8  0.0000  0.1923  0.0998  1
]