data_[Tb8Ce2Nd20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Ce  1.1200  1.8500  1.0800
  Nd  1.1400  1.8500  1.2765
]
_symmetry_space_group_name_H-M [I4/m]
_cell_length_a [9.8659]
_cell_length_b [9.8659]
_cell_length_c [10.7279]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [87]
_chemical_formula_structural [Tb4CeNd10]
_chemical_formula_sum '[Tb8 Ce2 Nd20]'
_cell_volume [1044.2096]
_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  8  0.0578  0.3300  0.0000  1
  Ce  Ce1  2  0.0000  0.0000  0.0000  1
  Nd  Nd2  16  0.1165  0.2110  0.3432  1
  Nd  Nd3  4  0.0000  0.5000  0.2500  1
]