data_[Tb4Ag12Hg8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Ag  1.9300  1.6000  1.0867
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [15.5029]
_cell_length_b [4.2438]
_cell_length_c [9.3734]
_cell_angle_alpha [90.0000]
_cell_angle_beta [122.8152]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [TbAg3Hg2]
_chemical_formula_sum '[Tb4 Ag12 Hg8]'
_cell_volume [518.2756]
_cell_formula_units_Z [4]
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  0.1096  0.0000  0.9705  1.0
  Ag  Ag1  4  0.0726  0.0000  0.4373  1.0
  Ag  Ag2  4  0.0798  0.5000  0.6807  1.0
  Ag  Ag3  4  0.2487  0.5000  0.6021  1.0
  Hg  Hg4  4  0.0747  0.5000  0.2146  1.0
  Hg  Hg5  4  0.2323  0.0000  0.8044  1.0
]