data_[Ac4Sm12Y8]
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 [9.2753]
_cell_length_b [10.0774]
_cell_length_c [9.1804]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.3110]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [AcSm3Y2]
_chemical_formula_sum '[Ac4 Sm12 Y8]'
_cell_volume [838.3726]
_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  4  0.0000  0.0698  0.7500  1
  Sm  Sm1  8  0.2294  0.4104  0.4867  1
  Sm  Sm2  4  0.0000  0.4112  0.7500  1
  Y  Y3  8  0.1277  0.2543  0.1244  1
]