data_[Pr4Sm14Er4]
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 [C2/m]
_cell_length_a [9.7007]
_cell_length_b [9.3731]
_cell_length_c [8.5524]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.9617]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pr2Sm7Er2]
_chemical_formula_sum '[Pr4 Sm14 Er4]'
_cell_volume [757.8178]
_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  0.1038  0.5000  0.8526  1
  Sm  Sm1  8  0.2012  0.2983  0.1894  1
  Sm  Sm2  4  0.1938  0.5000  0.5183  1
  Sm  Sm3  2  0.0000  0.0000  0.0000  1
  Er  Er4  4  0.0000  0.1867  0.5000  1
]