data_[Tb4Zn4Hg6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Zn  1.6500  1.3500  0.8800
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [4.4060]
_cell_length_b [20.2578]
_cell_length_c [3.6271]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Tb2Zn2Hg3]
_chemical_formula_sum '[Tb4 Zn4 Hg6]'
_cell_volume [323.7400]
_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  4  0.0000  0.1613  0.0000  1
  Zn  Zn1  4  0.0000  0.2812  0.5000  1
  Hg  Hg2  4  0.0000  0.4223  0.5000  1
  Hg  Hg3  2  0.0000  0.0000  0.0000  1
]