data_[Li12Al2Sn2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Al  1.6100  1.2500  0.6750
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [4.4338]
_cell_length_b [6.9822]
_cell_length_c [8.9135]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [Li6AlSn]
_chemical_formula_sum '[Li12 Al2 Sn2]'
_cell_volume [275.9390]
_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
[
  Li  Li0  4  0.0000  0.2310  0.1294  1.0
  Li  Li1  4  0.5000  0.2342  0.3701  1.0
  Li  Li2  2  0.0000  0.0000  0.4080  1.0
  Li  Li3  2  0.5000  0.0000  0.0949  1.0
  Al  Al4  2  0.0000  0.0000  0.8618  1.0
  Sn  Sn5  2  0.5000  0.0000  0.6366  1.0
]