data_[Ac8Nd10Er4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Nd  1.1400  1.8500  1.2765
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [23.3290]
_cell_length_b [3.7424]
_cell_length_c [10.2798]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.6710]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ac4Nd5Er2]
_chemical_formula_sum '[Ac8 Nd10 Er4]'
_cell_volume [859.7824]
_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  0.0473  0.0000  0.6919  1
  Ac  Ac1  4  0.1077  0.5000  0.3943  1
  Nd  Nd2  4  0.1363  0.0000  0.0776  1
  Nd  Nd3  4  0.2134  0.0000  0.8498  1
  Nd  Nd4  2  0.0000  0.5000  0.0000  1
  Er  Er5  4  0.2382  0.0000  0.3677  1
]