data_[Pr8Sm10Er2]
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
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [P4/nmm]
_cell_length_a [10.8876]
_cell_length_b [10.8876]
_cell_length_c [5.8165]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [129]
_chemical_formula_structural [Pr4Sm5Er]
_chemical_formula_sum '[Pr8 Sm10 Er2]'
_cell_volume [689.4959]
_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  8  0.0000  0.2066  0.3686  1
  Sm  Sm1  8  0.1611  0.3389  0.8370  1
  Sm  Sm2  2  0.0000  0.0000  0.0000  1
  Er  Er3  2  0.0000  0.5000  0.3658  1
]