data_[Na6Tl6Ag2O16]
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
  Ag  1.9300  1.6000  1.0867
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.6606]
_cell_length_b [6.7789]
_cell_length_c [6.7993]
_cell_angle_alpha [90.0000]
_cell_angle_beta [125.1873]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na3Tl3AgO8]
_chemical_formula_sum '[Na6 Tl6 Ag2 O16]'
_cell_volume [439.2494]
_cell_formula_units_Z [2]
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  4  0.2500  0.2500  0.0000  1.0
  Na  Na1  2  0.0000  0.0000  0.0000  1.0
  Tl  Tl2  4  0.2500  0.2500  0.5000  1.0
  Tl  Tl3  2  0.0000  0.5000  0.5000  1.0
  Ag  Ag4  2  0.0000  0.0000  0.5000  1.0
  O  O5  8  0.0084  0.2354  0.2899  1.0
  O  O6  4  0.2169  0.0000  0.7071  1.0
  O  O7  4  0.2427  0.5000  0.7241  1.0
]