data_[Tb18Sn3Hg24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Sn  1.9600  1.4500  0.8300
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [8.7331]
_cell_length_b [8.7331]
_cell_length_c [19.1400]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Tb6SnHg8]
_chemical_formula_sum '[Tb18 Sn3 Hg24]'
_cell_volume [1264.1950]
_cell_formula_units_Z [3]
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  18  0.0150  0.7191  0.6031  1
  Sn  Sn1  3  0.0000  0.0000  0.0000  1
  Hg  Hg2  18  0.0127  0.6364  0.4464  1
  Hg  Hg3  6  0.0000  0.0000  0.3034  1
]