data_[Rb6Ag8I16]
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/m]
_cell_length_a [13.3616]
_cell_length_b [13.4722]
_cell_length_c [9.3736]
_cell_angle_alpha [90.0000]
_cell_angle_beta [132.4344]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb3(AgI2)4]
_chemical_formula_sum '[Rb6 Ag8 I16]'
_cell_volume [1245.3408]
_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  4  0.2500  0.2500  0.0000  1
  Rb  Rb1  2  0.0000  0.5000  0.5000  1
  Ag  Ag2  4  0.2500  0.2500  0.5000  1
  Ag  Ag3  2  0.0000  0.0000  0.0000  1
  Ag  Ag4  2  0.0000  0.0000  0.5000  1
  I  I5  4  0.0000  0.2135  0.0000  1
  I  I6  4  0.0000  0.2336  0.5000  1
  I  I7  4  0.1937  0.0000  0.9639  1
  I  I8  4  0.2351  0.0000  0.5232  1
]