data_[Na6Zn4Ag8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Zn  1.6500  1.3500  0.8800
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [10.4531]
_cell_length_b [4.5280]
_cell_length_c [8.8798]
_cell_angle_alpha [90.0000]
_cell_angle_beta [99.6272]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na3(ZnAg2)2]
_chemical_formula_sum '[Na6 Zn4 Ag8]'
_cell_volume [414.3759]
_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  0.1234  0.5000  0.3929  1
  Na  Na1  2  0.0000  0.0000  0.0000  1
  Zn  Zn2  4  0.1811  0.5000  0.7715  1
  Ag  Ag3  4  0.0875  0.0000  0.6364  1
  Ag  Ag4  4  0.2281  0.5000  0.0873  1
]