data_[Pr2Nd4Sm4Er2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Nd  1.1400  1.8500  1.2765
  Sm  1.1700  1.8500  1.2290
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [Pmma]
_cell_length_a [7.1490]
_cell_length_b [5.7990]
_cell_length_c [9.9102]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [51]
_chemical_formula_structural [PrNd2Sm2Er]
_chemical_formula_sum '[Pr2 Nd4 Sm4 Er2]'
_cell_volume [410.8447]
_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
[
  Pr  Pr0  2  0.2500  0.5000  0.6604  1.0
  Nd  Nd1  2  0.0000  0.5000  0.0000  1.0
  Nd  Nd2  2  0.2500  0.0000  0.1745  1.0
  Sm  Sm3  2  0.2500  0.0000  0.8350  1.0
  Sm  Sm4  2  0.2500  0.5000  0.3319  1.0
  Er  Er5  2  0.0000  0.0000  0.5000  1.0
]