data_[Rb1Sn1Pb2I8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Sn  1.9600  1.4500  0.8300
  Pb  2.3300  1.8000  1.1225
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [7.4416]
_cell_length_b [9.8654]
_cell_length_c [7.7919]
_cell_angle_alpha [90.0000]
_cell_angle_beta [91.2720]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [RbSn(PbI4)2]
_chemical_formula_sum '[Rb1 Sn1 Pb2 I8]'
_cell_volume [571.8920]
_cell_formula_units_Z [1]
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  1  0.0000  0.5000  0.0000  1.0
  Sn  Sn1  1  0.0000  0.0000  0.0000  1.0
  Pb  Pb2  2  0.5000  0.2471  0.5000  1.0
  I  I3  4  0.2503  0.2134  0.1561  1.0
  I  I4  2  0.2353  0.0000  0.6719  1.0
  I  I5  2  0.2672  0.5000  0.6238  1.0
]