data_[Ac8Tb4Nd4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Tb  1.1000  1.7500  0.9815
  Nd  1.1400  1.8500  1.2765
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [7.6334]
_cell_length_b [21.3830]
_cell_length_c [3.8381]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Ac2TbNd]
_chemical_formula_sum '[Ac8 Tb4 Nd4]'
_cell_volume [626.4798]
_cell_formula_units_Z [4]
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  0.0000  0.1323  0.0000  1
  Ac  Ac1  4  0.2455  0.5000  0.5000  1
  Tb  Tb2  4  0.2500  0.2500  0.5000  1
  Nd  Nd3  4  0.0000  0.3675  0.0000  1
]