data_[Tb4Er4Tl6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Er  1.2400  1.7500  1.0300
  Tl  1.6200  1.9000  1.3325
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [13.4541]
_cell_length_b [3.7471]
_cell_length_c [8.8156]
_cell_angle_alpha [90.0000]
_cell_angle_beta [111.9782]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb2Er2Tl3]
_chemical_formula_sum '[Tb4 Er4 Tl6]'
_cell_volume [412.1305]
_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  0.1124  0.0000  0.4445  1
  Er  Er1  4  0.1225  0.5000  0.8170  1
  Tl  Tl2  4  0.1963  0.5000  0.2157  1
  Tl  Tl3  2  0.0000  0.0000  0.0000  1
]