data_[Tb12Dy2Hg4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Dy  1.2200  1.7500  1.1310
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.6203]
_cell_length_b [3.7354]
_cell_length_c [11.8705]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.8085]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb6DyHg2]
_chemical_formula_sum '[Tb12 Dy2 Hg4]'
_cell_volume [529.7109]
_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  0.0170  0.0000  0.3380  1
  Tb  Tb1  4  0.1879  0.5000  0.8762  1
  Tb  Tb2  4  0.1887  0.5000  0.5861  1
  Dy  Dy3  2  0.0000  0.0000  0.0000  1
  Hg  Hg4  4  0.1423  0.5000  0.2040  1
]