data_[Tb6Nd18Dy4]
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
  Dy  1.2200  1.7500  1.1310
]
_symmetry_space_group_name_H-M [P6_3/m]
_cell_length_a [9.1136]
_cell_length_b [9.1136]
_cell_length_c [13.9231]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [176]
_chemical_formula_structural [Tb3Nd9Dy2]
_chemical_formula_sum '[Tb6 Nd18 Dy4]'
_cell_volume [1001.4870]
_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  6  0.0802  0.2507  0.2500  1
  Nd  Nd1  12  0.1322  0.7254  0.5406  1
  Nd  Nd2  6  0.0802  0.4813  0.7500  1
  Dy  Dy3  4  0.3333  0.6667  0.1425  1
]