data_[La2Pr2Nd2Se6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Pr  1.1300  1.8500  1.0600
  Nd  1.1400  1.8500  1.2765
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.4174]
_cell_length_b [4.1453]
_cell_length_c [11.1089]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.6731]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [LaPrNdSe3]
_chemical_formula_sum '[La2 Pr2 Nd2 Se6]'
_cell_volume [333.2449]
_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  0.3442  0.2500  0.3044  1.0
  Pr  Pr1  2  0.2333  0.7500  0.9427  1.0
  Nd  Nd2  2  0.1213  0.2500  0.6283  1.0
  Se  Se3  2  0.0583  0.7500  0.1606  1.0
  Se  Se4  2  0.2856  0.7500  0.4962  1.0
  Se  Se5  2  0.4545  0.2500  0.8329  1.0
]