data_[K1Rb2Ag1]
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 [P4/mmm]
_cell_length_a [4.5730]
_cell_length_b [4.5730]
_cell_length_c [11.3785]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [123]
_chemical_formula_structural [KRb2Ag]
_chemical_formula_sum '[K1 Rb2 Ag1]'
_cell_volume [237.9482]
_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  2  0.0000  0.0000  0.1785  1.0
  K  K1  1  0.5000  0.5000  0.5000  1.0
  Ag  Ag2  1  0.5000  0.5000  0.0000  1.0
]