data_[Ac4La20Tb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  La  1.1000  1.9500  1.1720
  Tb  1.1000  1.7500  0.9815
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [9.0267]
_cell_length_b [10.3084]
_cell_length_c [11.9956]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.9373]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [AcLa5Tb]
_chemical_formula_sum '[Ac4 La20 Tb4]'
_cell_volume [1055.7832]
_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
[
  La  La0  8  0.1257  0.4297  0.1700  1
  La  La1  8  0.1728  0.1059  0.0350  1
  La  La2  4  0.0000  0.0853  0.2500  1
  Tb  Tb3  4  0.0000  0.2544  0.7500  1
  Ac  Ac4  4  0.2500  0.2500  0.5000  1
]