data_[Y2Al8Sn12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Al  1.6100  1.2500  0.6750
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [8.5674]
_cell_length_b [8.6113]
_cell_length_c [8.5652]
_cell_angle_alpha [90.0000]
_cell_angle_beta [119.0004]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [Y(Al2Sn3)2]
_chemical_formula_sum '[Y2 Al8 Sn12]'
_cell_volume [552.6852]
_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
[
  Y  Y0  2  0.4999  0.5000  1.0000  1
  Al  Al1  4  0.3618  0.2267  0.7158  1
  Al  Al2  2  0.3613  0.5000  0.2843  1
  Al  Al3  2  0.4143  0.0000  0.2839  1
  Sn  Sn4  4  0.1663  0.2444  0.3422  1
  Sn  Sn5  4  0.2507  0.2495  0.0002  1
  Sn  Sn6  2  0.0791  0.0000  0.6570  1
  Sn  Sn7  2  0.0875  0.5000  0.6588  1
]