data_[La8Nd12Sm20]
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/c]
_cell_length_a [12.3281]
_cell_length_b [16.7282]
_cell_length_c [6.8343]
_cell_angle_alpha [90.0000]
_cell_angle_beta [93.7059]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [La2Nd3Sm5]
_chemical_formula_sum '[La8 Nd12 Sm20]'
_cell_volume [1406.4716]
_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
[
  La  La0  8  0.1253  0.2500  0.6236  1.0
  Nd  Nd1  8  0.1250  0.3488  0.1248  1.0
  Nd  Nd2  4  0.0000  0.0373  0.7500  1.0
  Sm  Sm3  8  0.1254  0.1507  0.1244  1.0
  Sm  Sm4  8  0.2498  0.4623  0.4989  1.0
  Sm  Sm5  4  0.0000  0.4623  0.7500  1.0
]