data_[K8Rb4Ag1]
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 [Pmm2]
_cell_length_a [6.8144]
_cell_length_b [6.8172]
_cell_length_c [20.3687]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [25]
_chemical_formula_structural [K8Rb4Ag]
_chemical_formula_sum '[K8 Rb4 Ag1]'
_cell_volume [946.2309]
_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
[
  Rb  Rb0  1  0.0000  0.0000  0.0863  1
  K  K1  1  0.0000  0.0000  0.4279  1
  K  K2  1  0.0000  0.0000  0.7539  1
  K  K3  1  0.0000  0.5000  0.2510  1
  Rb  Rb4  1  0.0000  0.5000  0.5921  1
  K  K5  1  0.0000  0.5000  0.9153  1
  K  K6  1  0.5000  0.0000  0.2508  1
  K  K7  1  0.5000  0.0000  0.5926  1
  Rb  Rb8  1  0.5000  0.0000  0.9159  1
  K  K9  1  0.5000  0.5000  0.0876  1
  Rb  Rb10  1  0.5000  0.5000  0.4128  1
  K  K11  1  0.5000  0.5000  0.7543  1
  Ag  Ag12  1  0.0000  0.0000  0.2625  1
]