data_[La8Nd12Sm12]
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 [Cmcm]
_cell_length_a [3.6025]
_cell_length_b [17.4209]
_cell_length_c [18.1259]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [La2(NdSm)3]
_chemical_formula_sum '[La8 Nd12 Sm12]'
_cell_volume [1137.5675]
_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  0.0000  0.2362  0.1539  1
  Nd  Nd1  8  0.0000  0.3475  0.5004  1
  Nd  Nd2  4  0.0000  0.4025  0.2500  1
  Sm  Sm3  8  0.0000  0.0010  0.6014  1
  Sm  Sm4  4  0.0000  0.4097  0.7500  1
]