data_[Tb4Nd4Y4Er2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Nd  1.1400  1.8500  1.2765
  Y  1.2200  1.8000  1.0400
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.8418]
_cell_length_b [3.5265]
_cell_length_c [11.9003]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.9099]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb2Nd2Y2Er]
_chemical_formula_sum '[Tb4 Nd4 Y4 Er2]'
_cell_volume [470.1416]
_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  0.2295  0.0000  0.3655  1.0
  Nd  Nd1  4  0.1730  0.5000  0.0861  1.0
  Y  Y2  4  0.0485  0.5000  0.7705  1.0
  Er  Er3  2  0.0000  0.0000  0.5000  1.0
]