data_[Pr4Sm2Dy4Er4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Sm  1.1700  1.8500  1.2290
  Dy  1.2200  1.7500  1.1310
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [16.9114]
_cell_length_b [3.5573]
_cell_length_c [8.7746]
_cell_angle_alpha [90.0000]
_cell_angle_beta [118.8992]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pr2Sm(DyEr)2]
_chemical_formula_sum '[Pr4 Sm2 Dy4 Er4]'
_cell_volume [462.1370]
_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  4  0.2045  0.5000  0.7883  1.0
  Sm  Sm1  2  0.0000  0.0000  0.5000  1.0
  Dy  Dy2  4  0.0703  0.0000  0.9319  1.0
  Er  Er3  4  0.1380  0.5000  0.3331  1.0
]