data_[Rb6Pb2I12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Pb  2.3300  1.8000  1.1225
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [8.9525]
_cell_length_b [9.5584]
_cell_length_c [14.4351]
_cell_angle_alpha [90.0000]
_cell_angle_beta [122.4693]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Rb3PbI6]
_chemical_formula_sum '[Rb6 Pb2 I12]'
_cell_volume [1042.1496]
_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  0.2991  0.5708  0.2686  1.0
  Rb  Rb1  2  0.5000  0.0000  0.5000  1.0
  Pb  Pb2  2  0.0000  0.0000  0.0000  1.0
  I  I3  4  0.0894  0.5797  0.7358  1.0
  I  I4  4  0.2603  0.2369  0.5930  1.0
  I  I5  4  0.3287  0.6828  0.5461  1.0
]