data_[Na8Ga8Sn4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ga  1.8100  1.3000  0.7600
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [10.2489]
_cell_length_b [6.2014]
_cell_length_c [8.2847]
_cell_angle_alpha [90.0000]
_cell_angle_beta [101.5963]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Na2Ga2Sn]
_chemical_formula_sum '[Na8 Ga8 Sn4]'
_cell_volume [515.8065]
_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
[
  Na  Na0  8  0.1391  0.3703  0.6418  1.0
  Ga  Ga1  8  0.1484  0.1375  0.0015  1.0
  Sn  Sn2  4  0.0000  0.1191  0.2500  1.0
]