data_[La1Pr1Sm1Er1]
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
  Sm  1.1700  1.8500  1.2290
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [P3m1]
_cell_length_a [3.6632]
_cell_length_b [3.6632]
_cell_length_c [11.8602]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [156]
_chemical_formula_structural [LaPrSmEr]
_chemical_formula_sum '[La1 Pr1 Sm1 Er1]'
_cell_volume [137.8282]
_cell_formula_units_Z [1]
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  1  0.3333  0.6667  0.0782  1.0
  Pr  Pr1  1  0.0000  0.0000  0.5718  1.0
  Sm  Sm2  1  0.6667  0.3333  0.8235  1.0
  Er  Er3  1  0.6667  0.3333  0.3271  1.0
]