data_[K2Rb1Ag1O1]
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
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P4/mmm]
_cell_length_a [5.3960]
_cell_length_b [5.3960]
_cell_length_c [5.7095]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [123]
_chemical_formula_structural [K2RbAgO]
_chemical_formula_sum '[K2 Rb1 Ag1 O1]'
_cell_volume [166.2433]
_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  2  0.0000  0.5000  0.0000  1.0
  Rb  Rb1  1  0.0000  0.0000  0.5000  1.0
  Ag  Ag2  1  0.5000  0.5000  0.5000  1.0
  O  O3  1  0.0000  0.0000  0.0000  1.0
]