data_[Tb14Hg8O2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Hg  2.0000  1.5000  1.2450
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [16.2651]
_cell_length_b [4.8863]
_cell_length_c [10.9334]
_cell_angle_alpha [90.0000]
_cell_angle_beta [129.2104]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb7Hg4O]
_chemical_formula_sum '[Tb14 Hg8 O2]'
_cell_volume [673.2831]
_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  0.0532  0.0000  0.2438  1
  Tb  Tb1  4  0.1278  0.5000  0.5465  1
  Tb  Tb2  4  0.2190  0.0000  0.8508  1
  Tb  Tb3  2  0.0000  0.5000  0.0000  1
  Hg  Hg4  4  0.0860  0.5000  0.7954  1
  Hg  Hg5  4  0.2265  0.5000  0.3739  1
  O  O6  2  0.0000  0.0000  0.0000  1
]