data_[Pm20Dy8Er12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Dy  1.2200  1.7500  1.1310
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [10.6816]
_cell_length_b [14.9496]
_cell_length_c [9.9257]
_cell_angle_alpha [90.0000]
_cell_angle_beta [122.5475]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Pm5Dy2Er3]
_chemical_formula_sum '[Pm20 Dy8 Er12]'
_cell_volume [1336.0638]
_cell_formula_units_Z [4]
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  8  0.2443  0.1192  0.7397  1
  Pm  Pm1  4  0.0000  0.2290  0.2500  1
  Pm  Pm2  4  0.0000  0.2693  0.7500  1
  Pm  Pm3  4  0.0000  0.4779  0.7500  1
  Dy  Dy4  8  0.1549  0.1212  0.0551  1
  Er  Er5  8  0.1514  0.3757  0.5559  1
  Er  Er6  4  0.0000  0.0244  0.2500  1
]