data_[Rb2Fe2Ag2I8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Fe  1.8300  1.4000  0.8525
  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 [6.8358]
_cell_length_b [8.3829]
_cell_length_c [10.2570]
_cell_angle_alpha [90.0000]
_cell_angle_beta [105.7509]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbFeAgI4]
_chemical_formula_sum '[Rb2 Fe2 Ag2 I8]'
_cell_volume [565.6948]
_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  0.2580  0.2500  0.0857  1.0
  Fe  Fe1  2  0.1846  0.7500  0.3070  1.0
  Ag  Ag2  2  0.1282  0.2500  0.5124  1.0
  I  I3  4  0.0623  0.0036  0.7094  1.0
  I  I4  2  0.3141  0.7500  0.0892  1.0
  I  I5  2  0.4777  0.7500  0.5299  1.0
]