data_[Pm10Nd4Er12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Nd  1.1400  1.8500  1.2765
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [Pbam]
_cell_length_a [11.7164]
_cell_length_b [20.4908]
_cell_length_c [3.5934]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [55]
_chemical_formula_structural [Pm5(NdEr3)2]
_chemical_formula_sum '[Pm10 Nd4 Er12]'
_cell_volume [862.6892]
_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
[
  Pm  Pm0  4  0.0869  0.2215  0.5000  1
  Pm  Pm1  4  0.2006  0.9483  0.5000  1
  Pm  Pm2  2  0.0000  0.5000  0.5000  1
  Nd  Nd3  4  0.1719  0.7831  0.0000  1
  Er  Er4  4  0.0611  0.0773  0.0000  1
  Er  Er5  4  0.0760  0.3653  0.0000  1
  Er  Er6  4  0.1806  0.6292  0.5000  1
]