data_[La2Pm4Nd4Y4]
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
  Y  1.2200  1.8000  1.0400
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.9009]
_cell_length_b [3.5838]
_cell_length_c [12.1354]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.5157]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [LaPm2(NdY)2]
_chemical_formula_sum '[La2 Pm4 Nd4 Y4]'
_cell_volume [487.8419]
_cell_formula_units_Z [2]
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  2  0.0000  0.0000  0.5000  1
  Pm  Pm1  4  0.0544  0.5000  0.7724  1
  Nd  Nd2  4  0.1665  0.5000  0.0810  1
  Y  Y3  4  0.2224  0.0000  0.3607  1
]