data_[Ac4La8Sm10]
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
  Sm  1.1700  1.8500  1.2290
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [19.3611]
_cell_length_b [3.7500]
_cell_length_c [11.2061]
_cell_angle_alpha [90.0000]
_cell_angle_beta [93.5025]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ac2La4Sm5]
_chemical_formula_sum '[Ac4 La8 Sm10]'
_cell_volume [812.0955]
_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
[
  La  La0  4  0.0474  0.0000  0.7350  1
  Ac  Ac1  4  0.0931  0.5000  0.4528  1
  La  La2  4  0.1828  0.5000  0.9106  1
  Sm  Sm3  4  0.1362  0.0000  0.1745  1
  Sm  Sm4  4  0.2296  0.0000  0.6404  1
  Sm  Sm5  2  0.0000  0.5000  0.0000  1
]