data_[Na3Sr6Li27]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Sr  0.9500  2.0000  1.3200
  Li  0.9800  1.4500  0.9000
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [6.2665]
_cell_length_b [6.2665]
_cell_length_c [29.6835]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [NaSr2Li9]
_chemical_formula_sum '[Na3 Sr6 Li27]'
_cell_volume [1009.4710]
_cell_formula_units_Z [3]
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
[
  Na  Na0  3  0.0000  0.0000  0.0000  1
  Sr  Sr1  6  0.0000  0.0000  0.1376  1
  Li  Li2  18  0.0009  0.5004  0.9194  1
  Li  Li3  6  0.0000  0.0000  0.3331  1
  Li  Li4  3  -0.0000  -0.0000  0.5000  1
]