data_[Ac8Sm8Y4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Sm  1.1700  1.8500  1.2290
  Y  1.2200  1.8000  1.0400
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [18.0158]
_cell_length_b [6.7891]
_cell_length_c [6.5946]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.0448]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Ac2Sm2Y]
_chemical_formula_sum '[Ac8 Sm8 Y4]'
_cell_volume [762.4462]
_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
[
  Ac  Ac0  8  0.1921  0.3612  0.6925  1
  Sm  Sm1  8  0.0882  0.1121  0.1623  1
  Y  Y2  4  0.0000  0.4250  0.7500  1
]