data_[Pr6Er14]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [18.2004]
_cell_length_b [5.0452]
_cell_length_c [7.1403]
_cell_angle_alpha [90.0000]
_cell_angle_beta [101.3763]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pr3Er7]
_chemical_formula_sum '[Pr6 Er14]'
_cell_volume [642.7669]
_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  0.1982  0.0000  0.6011  1
  Pr  Pr1  2  0.0000  0.0000  0.0000  1
  Er  Er2  4  0.0990  0.5000  0.2999  1
  Er  Er3  4  0.1002  0.5000  0.8017  1
  Er  Er4  4  0.1996  0.0000  0.0999  1
  Er  Er5  2  0.0000  0.0000  0.5000  1
]