data_[K1Na3Ag8]
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 [P3m1]
_cell_length_a [5.6650]
_cell_length_b [5.6650]
_cell_length_c [9.8591]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [156]
_chemical_formula_structural [KNa3Ag8]
_chemical_formula_sum '[K1 Na3 Ag8]'
_cell_volume [274.0144]
_cell_formula_units_Z [1]
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  1  0.0000  0.0000  0.4368  1.0
  Na  Na1  1  0.0000  0.0000  0.0540  1.0
  Na  Na2  1  0.6667  0.3333  0.5719  1.0
  Na  Na3  1  0.6667  0.3333  0.9392  1.0
  Ag  Ag4  3  0.1668  0.3336  0.7548  1.0
  Ag  Ag5  3  0.5008  0.0016  0.2437  1.0
  Ag  Ag6  1  0.3333  0.6667  0.0010  1.0
  Ag  Ag7  1  0.3333  0.6667  0.5015  1.0
]