data_[Tb4Nd4Sm2Y8]
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
  Sm  1.1700  1.8500  1.2290
  Y  1.2200  1.8000  1.0400
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [18.9057]
_cell_length_b [3.6122]
_cell_length_c [9.6993]
_cell_angle_alpha [90.0000]
_cell_angle_beta [115.9510]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb2Nd2SmY4]
_chemical_formula_sum '[Tb4 Nd4 Sm2 Y8]'
_cell_volume [595.5848]
_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  0.1477  0.0000  0.6640  1.0
  Nd  Nd1  4  0.1661  0.5000  0.9987  1.0
  Sm  Sm2  2  0.0000  0.0000  0.0000  1.0
  Y  Y3  4  0.0195  0.5000  0.3360  1.0
  Y  Y4  4  0.1859  0.0000  0.3356  1.0
]