data_[Rb2Hg7Pb12]
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-3]
_cell_length_a [12.9173]
_cell_length_b [12.9173]
_cell_length_c [4.7112]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [147]
_chemical_formula_structural [Rb2Hg7Pb12]
_chemical_formula_sum '[Rb2 Hg7 Pb12]'
_cell_volume [680.7844]
_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  2  0.3333  0.6667  0.2458  1
  Hg  Hg1  6  0.1236  0.4239  0.7428  1
  Hg  Hg2  1  0.0000  0.0000  0.5000  1
  Pb  Pb3  6  0.0605  0.6325  0.7477  1
  Pb  Pb4  6  0.1149  0.8586  0.2400  1
]