data_[Rb16Hg4Pb2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Hg  2.0000  1.5000  1.2450
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [23.4032]
_cell_length_b [6.6698]
_cell_length_c [8.8655]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.0952]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb8Hg2Pb]
_chemical_formula_sum '[Rb16 Hg4 Pb2]'
_cell_volume [1315.4015]
_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  0.0302  0.0000  0.8053  1.0
  Rb  Rb1  4  0.0926  0.5000  0.4399  1.0
  Rb  Rb2  4  0.1617  0.5000  0.9677  1.0
  Rb  Rb3  4  0.2032  0.0000  0.3071  1.0
  Hg  Hg4  4  0.1804  0.0000  0.7171  1.0
  Pb  Pb5  2  0.0000  0.5000  0.0000  1.0
]