data_[Na2Tl1W1F8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Tl  1.6200  1.9000  1.3325
  W  2.3600  1.3500  0.7667
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [4.8499]
_cell_length_b [7.5506]
_cell_length_c [5.3128]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.9826]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [Na2TlWF8]
_chemical_formula_sum '[Na2 Tl1 W1 F8]'
_cell_volume [194.5235]
_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
[
  Na  Na0  2  0.5000  0.2502  0.5000  1
  Tl  Tl1  1  0.0000  0.5000  0.0000  1
  W  W2  1  0.0000  0.0000  0.0000  1
  F  F3  4  0.1877  0.1957  0.8128  1
  F  F4  2  0.2926  0.0000  0.2687  1
  F  F5  2  0.3351  0.5000  0.2993  1
]