data_[Tb12Hg4Te2Se6]
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
  Te  2.1000  1.4000  1.2933
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [18.9174]
_cell_length_b [4.0797]
_cell_length_c [8.6970]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.5263]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb6Hg2TeSe3]
_chemical_formula_sum '[Tb12 Hg4 Te2 Se6]'
_cell_volume [632.6057]
_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  0.0062  0.0000  0.2716  1.0
  Tb  Tb1  4  0.1565  0.5000  0.6247  1.0
  Tb  Tb2  4  0.1745  0.5000  0.1074  1.0
  Hg  Hg3  4  0.1831  0.0000  0.3827  1.0
  Te  Te4  2  0.0000  0.5000  0.0000  1.0
  Se  Se5  4  0.1606  0.0000  0.8598  1.0
  Se  Se6  2  0.0000  0.5000  0.5000  1.0
]