data_[Tb3Nd24Er18]
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
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [9.6833]
_cell_length_b [9.6833]
_cell_length_c [18.4702]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Tb(Nd4Er3)2]
_chemical_formula_sum '[Tb3 Nd24 Er18]'
_cell_volume [1499.8567]
_cell_formula_units_Z [3]
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  3  0.0000  0.0000  0.0000  1
  Nd  Nd1  18  0.0551  0.2431  0.1700  1
  Nd  Nd2  6  0.0000  0.0000  0.4193  1
  Er  Er3  18  0.0391  0.2757  0.6800  1
]