data_[Ac24Y16Er8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Y  1.2200  1.8000  1.0400
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [Fddd]
_cell_length_a [7.5510]
_cell_length_b [10.7094]
_cell_length_c [22.6804]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [70]
_chemical_formula_structural [Ac3Y2Er]
_chemical_formula_sum '[Ac24 Y16 Er8]'
_cell_volume [1834.1013]
_cell_formula_units_Z [8]
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  16  0.0000  0.0000  0.3329  1
  Ac  Ac1  8  0.0000  0.0000  0.0000  1
  Y  Y2  16  0.0000  0.0000  0.1677  1
  Er  Er3  8  0.0000  0.0000  0.5000  1
]