data_[La2Nd16Sm4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Nd  1.1400  1.8500  1.2765
  Sm  1.1700  1.8500  1.2290
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [18.1211]
_cell_length_b [7.2211]
_cell_length_c [6.2662]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.1163]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [La(Nd4Sm)2]
_chemical_formula_sum '[La2 Nd16 Sm4]'
_cell_volume [783.6488]
_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
[
  La  La0  2  0.0000  0.0000  0.0000  1
  Nd  Nd1  8  0.1190  0.2247  0.6637  1
  Nd  Nd2  4  0.0282  0.5000  0.2553  1
  Nd  Nd3  4  0.2058  0.0000  0.2672  1
  Sm  Sm4  4  0.1972  0.5000  0.1500  1
]