data_[Rb2Cu2Ag2I6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Cu  1.9000  1.3500  0.8200
  Ag  1.9300  1.6000  1.0867
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [9.9695]
_cell_length_b [4.3906]
_cell_length_c [10.4031]
_cell_angle_alpha [90.0000]
_cell_angle_beta [103.8601]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbCuAgI3]
_chemical_formula_sum '[Rb2 Cu2 Ag2 I6]'
_cell_volume [442.1077]
_cell_formula_units_Z [2]
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  0.1858  0.2500  0.2177  1.0
  Cu  Cu1  2  0.0627  0.2500  0.5710  1.0
  Ag  Ag2  2  0.3502  0.7500  0.8929  1.0
  I  I3  2  0.1257  0.2500  0.8395  1.0
  I  I4  2  0.2043  0.7500  0.5212  1.0
  I  I5  2  0.4652  0.7500  0.1770  1.0
]