data_[Pm10Pr12Er4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Pr  1.1300  1.8500  1.0600
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [Pbam]
_cell_length_a [11.8353]
_cell_length_b [21.0633]
_cell_length_c [3.6626]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [55]
_chemical_formula_structural [Pm5(Pr3Er)2]
_chemical_formula_sum '[Pm10 Pr12 Er4]'
_cell_volume [913.0540]
_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  0.0631  0.0809  0.0000  1
  Pr  Pr1  4  0.0838  0.3682  0.0000  1
  Pm  Pm2  4  0.0887  0.2274  0.5000  1
  Pr  Pr3  4  0.1733  0.6389  0.5000  1
  Pm  Pm4  4  0.1966  0.9444  0.5000  1
  Pm  Pm5  2  0.0000  0.5000  0.5000  1
  Er  Er6  4  0.1680  0.7901  0.0000  1
]