data_[Ac2Tb2Hg12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Tb  1.1000  1.7500  0.9815
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [5.0899]
_cell_length_b [6.9699]
_cell_length_c [11.9276]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [AcTbHg6]
_chemical_formula_sum '[Ac2 Tb2 Hg12]'
_cell_volume [423.1403]
_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
[
  Tb  Tb0  2  0.0000  0.0000  0.0908  1
  Ac  Ac1  2  0.5000  0.0000  0.4099  1
  Hg  Hg2  4  0.0000  0.2262  0.8289  1
  Hg  Hg3  4  0.5000  0.2470  0.6627  1
  Hg  Hg4  2  0.0000  0.0000  0.5901  1
  Hg  Hg5  2  0.5000  0.0000  0.9256  1
]