data_[La8Tb12Er16]
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
]
_symmetry_space_group_name_H-M [Fmmm]
_cell_length_a [6.1202]
_cell_length_b [12.4320]
_cell_length_c [15.8558]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [69]
_chemical_formula_structural [La2Tb3Er4]
_chemical_formula_sum '[La8 Tb12 Er16]'
_cell_volume [1206.4110]
_cell_formula_units_Z [4]
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  8  0.0000  0.0000  0.3852  1
  Tb  Tb1  8  0.2500  0.2500  0.0000  1
  Tb  Tb2  4  0.0000  0.0000  0.0000  1
  Er  Er3  16  0.0000  0.1434  0.1883  1
]