data_[La4Pm4Nd20Sm8]
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
  Sm  1.1700  1.8500  1.2290
]
_symmetry_space_group_name_H-M [I4/mcm]
_cell_length_a [8.9678]
_cell_length_b [8.9678]
_cell_length_c [15.8611]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [140]
_chemical_formula_structural [LaPmNd5Sm2]
_chemical_formula_sum '[La4 Pm4 Nd20 Sm8]'
_cell_volume [1275.5643]
_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  4  0.0000  0.0000  0.2500  1
  Pm  Pm1  4  0.0000  0.5000  0.2500  1
  Nd  Nd2  16  0.2039  0.2961  0.6361  1
  Nd  Nd3  4  0.0000  0.0000  0.0000  1
  Sm  Sm4  8  0.1173  0.3827  0.0000  1
]