data_[La8Pm12Nd20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Pm  1.1300  1.8500  1.1100
  Nd  1.1400  1.8500  1.2765
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [11.1128]
_cell_length_b [17.2888]
_cell_length_c [9.2674]
_cell_angle_alpha [90.0000]
_cell_angle_beta [126.8151]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [La2Pm3Nd5]
_chemical_formula_sum '[La8 Pm12 Nd20]'
_cell_volume [1425.4478]
_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  0.1501  0.1256  0.5490  1
  Pm  Pm1  8  0.1399  0.3746  0.0311  1
  Pm  Pm2  4  0.0000  0.2770  0.2500  1
  Nd  Nd3  8  0.2497  0.1265  0.2490  1
  Nd  Nd4  4  0.0000  0.0261  0.7500  1
  Nd  Nd5  4  0.0000  0.2197  0.7500  1
  Nd  Nd6  4  0.0000  0.4706  0.2500  1
]