data_[Rb4Cd4Ag4O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Cd  1.6900  1.5500  1.0900
  Ag  1.9300  1.6000  1.0867
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cmme]
_cell_length_a [6.3341]
_cell_length_b [12.9375]
_cell_length_c [5.2292]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [67]
_chemical_formula_structural [RbCdAgO2]
_chemical_formula_sum '[Rb4 Cd4 Ag4 O8]'
_cell_volume [428.5161]
_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
[
  Rb  Rb0  4  0.0000  0.2500  0.7266  1.0
  Cd  Cd1  4  0.2500  0.0000  0.5000  1.0
  Ag  Ag2  4  0.0000  0.0000  0.0000  1.0
  O  O3  8  0.0000  0.1019  0.3132  1.0
]