data_[Li2Sn2I8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Sn  1.9600  1.4500  0.8300
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [15.0768]
_cell_length_b [4.1705]
_cell_length_c [18.8061]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [LiSnI4]
_chemical_formula_sum '[Li2 Sn2 I8]'
_cell_volume [1182.4857]
_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  2  0.4043  0.2500  0.4948  1
  Sn  Sn1  2  0.1440  0.7500  0.5036  1
  I  I2  2  0.0474  0.2500  0.5988  1
  I  I3  2  0.2121  0.2500  0.3988  1
  I  I4  2  0.3040  0.7500  0.5859  1
  I  I5  2  0.4641  0.7500  0.4005  1
]