data_[Ac16Tb4Sm6]
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
  Sm  1.1700  1.8500  1.2290
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [20.6263]
_cell_length_b [7.7309]
_cell_length_c [6.8074]
_cell_angle_alpha [90.0000]
_cell_angle_beta [100.4092]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ac8Tb2Sm3]
_chemical_formula_sum '[Ac16 Tb4 Sm6]'
_cell_volume [1067.6392]
_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  8  0.1581  0.2591  0.2901  1
  Ac  Ac1  4  0.0509  0.5000  0.8348  1
  Ac  Ac2  4  0.1597  0.0000  0.7820  1
  Tb  Tb3  4  0.2065  0.5000  0.7999  1
  Sm  Sm4  4  0.0000  0.2035  0.5000  1
  Sm  Sm5  2  0.0000  0.0000  0.0000  1
]