data_[Na6V3Sn3F18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  V  1.6300  1.3500  0.7775
  Sn  1.9600  1.4500  0.8300
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [5.8556]
_cell_length_b [5.8556]
_cell_length_c [15.3275]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [Na2VSnF6]
_chemical_formula_sum '[Na6 V3 Sn3 F18]'
_cell_volume [455.1343]
_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  0.4703  1.0
  Na  Na1  3  0.0000  0.0000  0.9765  1.0
  V  V2  3  0.0000  0.0000  0.6799  1.0
  Sn  Sn3  3  0.0000  0.0000  0.1886  1.0
  F  F4  9  0.0008  0.7202  0.5906  1.0
  F  F5  9  0.0388  0.3368  0.7501  1.0
]