data_[Pr12Ho4Er4]
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 [Pbcm]
_cell_length_a [3.5904]
_cell_length_b [17.6810]
_cell_length_c [11.0887]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [57]
_chemical_formula_structural [Pr3HoEr]
_chemical_formula_sum '[Pr12 Ho4 Er4]'
_cell_volume [703.9246]
_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  8  0.2450  0.0763  0.5568  1
  Pr  Pr1  4  0.2578  0.7500  0.0000  1
  Ho  Ho2  4  0.2618  0.6017  0.2500  1
  Er  Er3  4  0.2395  0.2264  0.7500  1
]