data_[K16Si8Ag8Te32]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  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 [Fddd]
_cell_length_a [6.9242]
_cell_length_b [14.7431]
_cell_length_c [24.0807]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [70]
_chemical_formula_structural [K2SiAgTe4]
_chemical_formula_sum '[K16 Si8 Ag8 Te32]'
_cell_volume [2458.2446]
_cell_formula_units_Z [8]
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
[
  K  K0  16  0.0000  0.0000  0.1821  1.0
  Si  Si1  8  0.0000  0.0000  0.5000  1.0
  Ag  Ag2  8  0.0000  0.0000  0.0000  1.0
  Te  Te3  32  0.0312  0.1473  0.6938  1.0
]