data_[La4Tb2Er2Hg4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Tb  1.1000  1.7500  0.9815
  Er  1.2400  1.7500  1.0300
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [Pmc2_1]
_cell_length_a [5.1687]
_cell_length_b [9.6549]
_cell_length_c [7.2272]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [La2TbErHg2]
_chemical_formula_sum '[La4 Tb2 Er2 Hg4]'
_cell_volume [360.6619]
_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
[
  La  La0  2  0.0000  0.1718  0.3326  1.0
  Tb  Tb1  2  0.0000  0.4464  0.9914  1.0
  La  La2  2  0.5000  0.0569  0.0231  1.0
  Er  Er3  2  0.5000  0.3290  0.6769  1.0
  Hg  Hg4  2  0.0000  0.1646  0.7735  1.0
  Hg  Hg5  2  0.5000  0.3661  0.2480  1.0
]