data_[Na4Si8Ag4Te24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Si  1.9000  1.1000  0.5400
  Ag  1.9300  1.6000  1.0867
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [14.9758]
_cell_length_b [12.8241]
_cell_length_c [7.0998]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.1504]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [NaSi2AgTe6]
_chemical_formula_sum '[Na4 Si8 Ag4 Te24]'
_cell_volume [1295.6890]
_cell_formula_units_Z [4]
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  0.0000  0.1469  0.2500  1.0
  Si  Si1  8  0.2100  0.4231  0.2002  1.0
  Ag  Ag2  4  0.0000  0.3844  0.7500  1.0
  Te  Te3  8  0.1158  0.0798  0.6985  1.0
  Te  Te4  8  0.1338  0.4212  0.4771  1.0
  Te  Te5  8  0.1341  0.2551  0.0210  1.0
]