data_[Ac4Tb8Sm6]
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 [16.7556]
_cell_length_b [6.0541]
_cell_length_c [6.4985]
_cell_angle_alpha [90.0000]
_cell_angle_beta [105.5925]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ac2Tb4Sm3]
_chemical_formula_sum '[Ac4 Tb8 Sm6]'
_cell_volume [634.9517]
_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
[
  Tb  Tb0  4  0.0593  0.5000  0.7793  1
  Ac  Ac1  4  0.1697  0.5000  0.3491  1
  Tb  Tb2  4  0.2167  0.0000  0.0745  1
  Sm  Sm3  4  0.1012  0.0000  0.5575  1
  Sm  Sm4  2  0.0000  0.0000  0.0000  1
]