data_[Pr8Ho12Er4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Ho  1.2300  1.7500  1.0410
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [17.1088]
_cell_length_b [5.5858]
_cell_length_c [10.0735]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.9208]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pr2Ho3Er]
_chemical_formula_sum '[Pr8 Ho12 Er4]'
_cell_volume [789.3403]
_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
[
  Pr  Pr0  4  0.0083  0.5000  0.8583  1
  Pr  Pr1  4  0.2298  0.0000  0.8712  1
  Ho  Ho2  4  0.0483  0.0000  0.3941  1
  Ho  Ho3  4  0.1129  0.5000  0.6544  1
  Ho  Ho4  4  0.2090  0.5000  0.4260  1
  Er  Er5  4  0.1333  0.0000  0.1394  1
]