data_[Nd20Sm8Er12]
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
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [10.8263]
_cell_length_b [15.0098]
_cell_length_c [9.9940]
_cell_angle_alpha [90.0000]
_cell_angle_beta [122.5755]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Nd5Sm2Er3]
_chemical_formula_sum '[Nd20 Sm8 Er12]'
_cell_volume [1368.5382]
_cell_formula_units_Z [4]
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  8  0.2413  0.3785  0.2353  1
  Nd  Nd1  4  0.0000  0.2292  0.2500  1
  Nd  Nd2  4  0.0000  0.2704  0.7500  1
  Nd  Nd3  4  0.0000  0.4761  0.7500  1
  Sm  Sm4  8  0.1497  0.1223  0.0562  1
  Er  Er5  8  0.1580  0.3765  0.5551  1
  Er  Er6  4  0.0000  0.0209  0.2500  1
]