data_[Rb2Sn2Pb6]
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
]
_symmetry_space_group_name_H-M [Pmn2_1]
_cell_length_a [7.1530]
_cell_length_b [7.2380]
_cell_length_c [7.2188]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [31]
_chemical_formula_structural [RbSnPb3]
_chemical_formula_sum '[Rb2 Sn2 Pb6]'
_cell_volume [373.7416]
_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  0.0000  0.2583  0.9744  1.0
  Sn  Sn1  2  0.0000  0.9012  0.6267  1.0
  Pb  Pb2  4  0.2499  0.2392  0.4734  1.0
  Pb  Pb3  2  0.0000  0.6046  0.3299  1.0
]