data_[K20Rb4Ag4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Rb  0.8200  2.3500  1.6600
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [11.9396]
_cell_length_b [12.8879]
_cell_length_c [12.4338]
_cell_angle_alpha [90.0000]
_cell_angle_beta [100.6970]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [K5RbAg]
_chemical_formula_sum '[K20 Rb4 Ag4]'
_cell_volume [1880.0003]
_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  8  0.1198  0.2301  0.6191  1
  K  K1  8  0.2391  0.4127  0.0118  1
  K  K2  4  0.0000  0.0992  0.2500  1
  Rb  Rb3  4  0.0000  0.4362  0.2500  1
  Ag  Ag4  4  0.0000  0.0000  0.0000  1
]