data_[Pr6Ho2Er8]
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 [Pmn2_1]
_cell_length_a [11.4683]
_cell_length_b [7.3233]
_cell_length_c [6.2923]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [31]
_chemical_formula_structural [Pr3HoEr4]
_chemical_formula_sum '[Pr6 Ho2 Er8]'
_cell_volume [528.4636]
_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  0.2497  0.6274  0.9828  1
  Pr  Pr1  2  0.0000  0.6285  0.6460  1
  Ho  Ho2  2  0.0000  0.3684  0.1450  1
  Er  Er3  4  0.2478  0.1204  0.9814  1
  Er  Er4  2  0.0000  0.1203  0.6485  1
  Er  Er5  2  0.0000  0.8795  0.1474  1
]