data_[Li4Sn8F20]
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
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [4.3042]
_cell_length_b [12.7913]
_cell_length_c [10.7914]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [LiSn2F5]
_chemical_formula_sum '[Li4 Sn8 F20]'
_cell_volume [594.1422]
_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
[
  Li  Li0  4  0.0000  0.1561  0.2500  1.0
  Sn  Sn1  8  0.0000  0.1419  0.5805  1.0
  F  F2  8  0.0000  0.0794  0.1046  1.0
  F  F3  8  0.0000  0.2923  0.0445  1.0
  F  F4  4  0.0000  0.2774  0.7500  1.0
]