data_[Cs4Ag2I8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  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 [9.1084]
_cell_length_b [7.1420]
_cell_length_c [11.2730]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.9451]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Cs2AgI4]
_chemical_formula_sum '[Cs4 Ag2 I8]'
_cell_volume [701.4895]
_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
[
  Cs  Cs0  2  0.2077  0.7500  0.4306  1.0
  Cs  Cs1  2  0.2553  0.7500  0.9425  1.0
  Ag  Ag2  2  0.2458  0.2500  0.1883  1.0
  I  I3  4  0.4970  0.5108  0.2647  1.0
  I  I4  2  0.0740  0.2500  0.3592  1.0
  I  I5  2  0.1078  0.2500  0.9336  1.0
]