data_[Rb4Ag4Pb2I12]
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 [C2/m]
_cell_length_a [15.3067]
_cell_length_b [8.8267]
_cell_length_c [8.7586]
_cell_angle_alpha [90.0000]
_cell_angle_beta [120.1554]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb2Ag2PbI6]
_chemical_formula_sum '[Rb4 Ag4 Pb2 I12]'
_cell_volume [1023.2103]
_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  0.2402  0.5000  0.1997  1.0
  Ag  Ag1  4  0.0526  0.0000  0.2010  1.0
  Pb  Pb2  2  0.0000  0.5000  0.5000  1.0
  I  I3  8  0.0631  0.2533  0.8174  1.0
  I  I4  4  0.2378  0.5000  0.6172  1.0
]