data_[Tb4Nd4Y2Er2]
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 [P2_1/m]
_cell_length_a [6.6055]
_cell_length_b [7.0513]
_cell_length_c [8.8560]
_cell_angle_alpha [90.0000]
_cell_angle_beta [103.6272]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Tb2Nd2YEr]
_chemical_formula_sum '[Tb4 Nd4 Y2 Er2]'
_cell_volume [400.8792]
_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  0.0958  0.5007  0.8184  1
  Nd  Nd1  2  0.2398  0.2500  0.5089  1
  Nd  Nd2  2  0.3775  0.7500  0.1529  1
  Y  Y3  2  0.2530  0.7500  0.5112  1
  Er  Er4  2  0.3809  0.2500  0.1505  1
]