data_[Nd24Sm3Y18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  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 [R-3]
_cell_length_a [9.1990]
_cell_length_b [9.1990]
_cell_length_c [21.0433]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Nd8SmY6]
_chemical_formula_sum '[Nd24 Sm3 Y18]'
_cell_volume [1542.1502]
_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
[
  Nd  Nd0  18  0.0804  0.5578  0.8065  1
  Nd  Nd1  6  0.0000  0.0000  0.4227  1
  Sm  Sm2  3  0.0000  0.0000  0.0000  1
  Y  Y3  18  0.0453  0.2434  0.7057  1
]