data_[Pr18Nd18Y6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Nd  1.1400  1.8500  1.2765
  Y  1.2200  1.8000  1.0400
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [8.8457]
_cell_length_b [8.8457]
_cell_length_c [22.5564]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Pr3Nd3Y]
_chemical_formula_sum '[Pr18 Nd18 Y6]'
_cell_volume [1528.5013]
_cell_formula_units_Z [6]
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
[
  Pr  Pr0  18  0.0040  0.2406  0.0586  1
  Nd  Nd1  18  0.0494  0.4484  0.8805  1
  Y  Y2  6  0.0000  0.0000  0.3443  1
]