data_[K4Na4Ag4]
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/m]
_cell_length_a [15.2237]
_cell_length_b [4.7580]
_cell_length_c [6.6267]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.6389]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [KNaAg]
_chemical_formula_sum '[K4 Na4 Ag4]'
_cell_volume [468.3726]
_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
[
  K  K0  4  0.1378  0.0000  0.3250  1.0
  Na  Na1  4  0.0910  0.5000  0.7921  1.0
  Ag  Ag2  4  0.2248  0.0000  0.8875  1.0
]