data_[Tb8Hg4O2]
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 [P2_1/m]
_cell_length_a [6.6598]
_cell_length_b [6.9948]
_cell_length_c [8.2480]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.5809]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Tb4Hg2O]
_chemical_formula_sum '[Tb8 Hg4 O2]'
_cell_volume [368.2498]
_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  0.4785  0.0054  0.7291  1.0
  Tb  Tb1  2  0.0755  0.7500  0.3690  1.0
  Tb  Tb2  2  0.1291  0.7500  0.9354  1.0
  Hg  Hg3  2  0.2199  0.2500  0.4045  1.0
  Hg  Hg4  2  0.2863  0.2500  0.9715  1.0
  O  O5  2  0.2920  0.7500  0.2082  1.0
]