data_[Na6Ag8Cl16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ag  1.9300  1.6000  1.0867
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [10.9312]
_cell_length_b [11.5147]
_cell_length_c [7.7992]
_cell_angle_alpha [90.0000]
_cell_angle_beta [134.4732]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na3(AgCl2)4]
_chemical_formula_sum '[Na6 Ag8 Cl16]'
_cell_volume [700.5035]
_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  0.5000  1
  Na  Na1  2  0.0000  0.0000  0.5000  1
  Ag  Ag2  4  0.2500  0.2500  0.0000  1
  Ag  Ag3  2  0.0000  0.0000  0.0000  1
  Ag  Ag4  2  0.0000  0.5000  0.5000  1
  Cl  Cl5  4  0.0000  0.2449  0.5000  1
  Cl  Cl6  4  0.0000  0.2566  0.0000  1
  Cl  Cl7  4  0.2363  0.0000  0.4630  1
  Cl  Cl8  4  0.2414  0.0000  0.0061  1
]