data_[Rb2Hg4Pb4]
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 [P-1]
_cell_length_a [6.8098]
_cell_length_b [7.8741]
_cell_length_c [8.0859]
_cell_angle_alpha [111.9853]
_cell_angle_beta [108.1450]
_cell_angle_gamma [98.8812]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [Rb(HgPb)2]
_chemical_formula_sum '[Rb2 Hg4 Pb4]'
_cell_volume [363.5347]
_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  0.3021  0.1233  0.2739  1
  Hg  Hg1  2  0.1224  0.8400  0.5185  1
  Hg  Hg2  2  0.2335  0.5529  0.1756  1
  Pb  Pb3  2  0.1655  0.5841  0.7524  1
  Pb  Pb4  2  0.3533  0.2519  0.8405  1
]