data_[Rb2Ag2Pb2I8]
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
  Pb  2.3300  1.8000  1.1225
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.6550]
_cell_length_b [8.5169]
_cell_length_c [9.9427]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.5333]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbAgPbI4]
_chemical_formula_sum '[Rb2 Ag2 Pb2 I8]'
_cell_volume [614.6198]
_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  0.2190  0.2500  0.0489  1.0
  Ag  Ag1  2  0.2112  0.7500  0.3209  1.0
  Pb  Pb2  2  0.2163  0.2500  0.5542  1.0
  I  I3  4  0.0288  0.5140  0.7214  1.0
  I  I4  2  0.4471  0.7500  0.1495  1.0
  I  I5  2  0.4784  0.7500  0.5950  1.0
]