data_[Sr2Li6Sn9]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Li  0.9800  1.4500  0.9000
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [P6/mmm]
_cell_length_a [6.2283]
_cell_length_b [6.2283]
_cell_length_c [13.5031]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [191]
_chemical_formula_structural [Sr2(Li2Sn3)3]
_chemical_formula_sum '[Sr2 Li6 Sn9]'
_cell_volume [453.6266]
_cell_formula_units_Z [1]
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
[
  Sr  Sr0  2  0.0000  0.0000  0.3337  1
  Li  Li1  4  0.3333  0.6667  0.6639  1
  Li  Li2  2  0.3333  0.6667  0.0000  1
  Sn  Sn3  6  0.0000  0.5000  0.1695  1
  Sn  Sn4  3  0.0000  0.5000  0.5000  1
]