data_[Ac4Al2Sn2Hg12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Al  1.6100  1.2500  0.6750
  Sn  1.9600  1.4500  0.8300
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [Pmmn]
_cell_length_a [7.9141]
_cell_length_b [9.5067]
_cell_length_c [7.5765]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [59]
_chemical_formula_structural [Ac2AlSnHg6]
_chemical_formula_sum '[Ac4 Al2 Sn2 Hg12]'
_cell_volume [570.0358]
_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  0.2366  0.7435  1
  Al  Al1  2  0.0000  0.0000  0.0746  1
  Sn  Sn2  2  0.0000  0.5000  0.4207  1
  Hg  Hg3  4  0.0000  0.2525  0.2141  1
  Hg  Hg4  4  0.1837  0.0000  0.4122  1
  Hg  Hg5  4  0.1879  0.5000  0.0315  1
]