data_[Tb4Hg2Pb6]
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
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [4.5647]
_cell_length_b [15.5888]
_cell_length_c [4.6592]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Tb2HgPb3]
_chemical_formula_sum '[Tb4 Hg2 Pb6]'
_cell_volume [331.5406]
_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  0.0000  0.1499  0.5000  1
  Hg  Hg1  2  0.0000  0.0000  0.0000  1
  Pb  Pb2  4  0.0000  0.3257  0.0000  1
  Pb  Pb3  2  0.0000  0.5000  0.5000  1
]