data_[Li6Mg4Sn8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Mg  1.3100  1.5000  0.8600
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [9.3683]
_cell_length_b [4.5113]
_cell_length_c [9.7396]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.1341]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Li3(MgSn2)2]
_chemical_formula_sum '[Li6 Mg4 Sn8]'
_cell_volume [395.4148]
_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  0.1592  0.5000  0.5649  1.0
  Li  Li1  2  0.0000  0.0000  0.0000  1.0
  Mg  Mg2  4  0.1738  0.5000  0.2293  1.0
  Sn  Sn3  4  0.0171  0.0000  0.3481  1.0
  Sn  Sn4  4  0.1641  0.5000  0.8929  1.0
]