data_[Tb1Yb2Hg3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Yb  1.1000  1.7500  1.0840
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [P-4m2]
_cell_length_a [4.3839]
_cell_length_b [4.3839]
_cell_length_c [8.4827]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [115]
_chemical_formula_structural [TbYb2Hg3]
_chemical_formula_sum '[Tb1 Yb2 Hg3]'
_cell_volume [163.0224]
_cell_formula_units_Z [1]
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
[
  Yb  Yb0  2  0.0000  0.5000  0.6453  1
  Tb  Tb1  1  0.0000  0.0000  0.0000  1
  Hg  Hg2  2  0.0000  0.5000  0.2737  1
  Hg  Hg3  1  0.5000  0.5000  0.0000  1
]