data_[Ag4Hg4Pb16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ag  1.9300  1.6000  1.0867
  Hg  2.0000  1.5000  1.2450
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [9.1422]
_cell_length_b [13.8935]
_cell_length_c [5.9739]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.8091]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [AgHgPb4]
_chemical_formula_sum '[Ag4 Hg4 Pb16]'
_cell_volume [709.2997]
_cell_formula_units_Z [4]
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
[
  Ag  Ag0  4  0.0000  0.0093  0.2500  1.0
  Hg  Hg1  4  0.0000  0.3802  0.2500  1.0
  Pb  Pb2  8  0.1232  0.1797  0.5844  1.0
  Pb  Pb3  8  0.2067  0.4209  0.8471  1.0
]