data_[Rb8Ag4I12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ag  1.9300  1.6000  1.0867
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [14.1091]
_cell_length_b [9.1191]
_cell_length_c [9.5216]
_cell_angle_alpha [90.0000]
_cell_angle_beta [111.3890]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Rb2AgI3]
_chemical_formula_sum '[Rb8 Ag4 I12]'
_cell_volume [1140.6865]
_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  8  0.1578  0.3108  0.6587  1.0
  Ag  Ag1  4  0.0000  0.1015  0.2500  1.0
  I  I2  8  0.1614  0.0438  0.9618  1.0
  I  I3  4  0.0000  0.4075  0.2500  1.0
]