data_[Ac4Pr8Er6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  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 [11.7585]
_cell_length_b [5.2627]
_cell_length_c [11.0805]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.6880]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ac2Pr4Er3]
_chemical_formula_sum '[Ac4 Pr8 Er6]'
_cell_volume [649.5308]
_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
[
  Ac  Ac0  4  0.1667  0.5000  0.2260  1
  Pr  Pr1  4  0.0026  0.0000  0.3373  1
  Pr  Pr2  4  0.1663  0.5000  0.8876  1
  Er  Er3  4  0.1624  0.5000  0.5533  1
  Er  Er4  2  0.0000  0.0000  0.0000  1
]