data_[K8Na24Ag8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Na  0.9300  1.8000  1.1600
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [18.4472]
_cell_length_b [11.1255]
_cell_length_c [7.2959]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.1282]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [KNa3Ag]
_chemical_formula_sum '[K8 Na24 Ag8]'
_cell_volume [1463.9432]
_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  4  0.0000  0.0534  0.2500  1.0
  K  K1  4  0.0000  0.3634  0.7500  1.0
  Na  Na2  8  0.1740  0.1715  0.0827  1.0
  Na  Na3  8  0.1772  0.5000  0.5929  1.0
  Na  Na4  8  0.1788  0.1685  0.5886  1.0
  Ag  Ag5  8  0.0782  0.3372  0.2923  1.0
]