data_[Ac6Tl8Hg4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Tl  1.6200  1.9000  1.3325
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.2370]
_cell_length_b [5.1791]
_cell_length_c [9.9215]
_cell_angle_alpha [90.0000]
_cell_angle_beta [113.4946]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ac3(Tl2Hg)2]
_chemical_formula_sum '[Ac6 Tl8 Hg4]'
_cell_volume [576.6565]
_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  0.1659  0.5000  0.6662  1
  Ac  Ac1  2  0.0000  0.0000  0.0000  1
  Tl  Tl2  4  0.0373  0.0000  0.3671  1
  Tl  Tl3  4  0.1947  0.5000  0.0332  1
  Hg  Hg4  4  0.1438  0.5000  0.3112  1
]