data_[Ac4La8Tb8]
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 [Cmc2_1]
_cell_length_a [3.7635]
_cell_length_b [15.7995]
_cell_length_c [12.6671]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Ac(LaTb)2]
_chemical_formula_sum '[Ac4 La8 Tb8]'
_cell_volume [753.2029]
_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  4  0.0000  0.0134  0.7004  1
  Tb  Tb1  4  0.0000  0.0653  0.4431  1
  La  La2  4  0.0000  0.2966  0.7923  1
  Tb  Tb3  4  0.0000  0.3034  0.0889  1
  Ac  Ac4  4  0.0000  0.3732  0.4607  1
]