data_[Pr2Sm10Er8]
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 [18.1583]
_cell_length_b [3.5643]
_cell_length_c [10.9190]
_cell_angle_alpha [90.0000]
_cell_angle_beta [103.4743]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [PrSm5Er4]
_chemical_formula_sum '[Pr2 Sm10 Er8]'
_cell_volume [687.2419]
_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  0.0000  0.5000  0.0000  1
  Sm  Sm1  4  0.1614  0.0000  0.9125  1
  Sm  Sm2  4  0.1691  0.0000  0.5228  1
  Sm  Sm3  2  0.0000  0.5000  0.5000  1
  Er  Er4  4  0.0263  0.0000  0.2609  1
  Er  Er5  4  0.1777  0.5000  0.2220  1
]