data_[La4Pm16Nd8Er4]
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
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [13.8232]
_cell_length_b [13.4852]
_cell_length_c [6.9374]
_cell_angle_alpha [90.0000]
_cell_angle_beta [119.9939]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [LaPm4Nd2Er]
_chemical_formula_sum '[La4 Pm16 Nd8 Er4]'
_cell_volume [1119.9971]
_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  0.2500  0.2500  0.5000  1
  Pm  Pm1  8  0.0005  0.2437  0.5015  1
  Pm  Pm2  8  0.2458  0.0002  0.4840  1
  Nd  Nd3  4  0.0000  0.5000  0.0000  1
  Nd  Nd4  4  0.2500  0.2500  0.0000  1
  Er  Er5  4  0.0000  0.0000  0.0000  1
]