data_[Rb6Sb8Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Sb  2.0500  1.4500  0.8300
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [15.9178]
_cell_length_b [4.5720]
_cell_length_c [11.1555]
_cell_angle_alpha [90.0000]
_cell_angle_beta [113.0504]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb3(Sb2Pb)2]
_chemical_formula_sum '[Rb6 Sb8 Pb4]'
_cell_volume [747.0382]
_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  0.0997  0.5000  0.6814  1
  Rb  Rb1  2  0.0000  0.0000  0.0000  1
  Sb  Sb2  4  0.1025  0.0000  0.3980  1
  Sb  Sb3  4  0.2160  0.5000  0.0489  1
  Pb  Pb4  4  0.2101  0.5000  0.3488  1
]