data_[Ac4Zn10Hg2]
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 [I4mm]
_cell_length_a [6.5089]
_cell_length_b [6.5089]
_cell_length_c [9.4309]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [107]
_chemical_formula_structural [Ac2Zn5Hg]
_chemical_formula_sum '[Ac4 Zn10 Hg2]'
_cell_volume [399.5454]
_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  0.5000  0.2511  1
  Zn  Zn1  8  0.1998  0.1998  0.5007  1
  Zn  Zn2  2  0.0000  0.0000  0.7287  1
  Hg  Hg3  2  0.0000  0.0000  0.0444  1
]