data_[Ga4Hg12Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ga  1.8100  1.3000  0.7600
  Hg  2.0000  1.5000  1.2450
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [Pbcm]
_cell_length_a [12.9341]
_cell_length_b [6.9256]
_cell_length_c [5.9686]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [57]
_chemical_formula_structural [GaHg3Pb]
_chemical_formula_sum '[Ga4 Hg12 Pb4]'
_cell_volume [534.6409]
_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
[
  Ga  Ga0  4  0.3875  0.7500  0.0000  1.0
  Hg  Hg1  4  0.0404  0.7500  0.0000  1.0
  Hg  Hg2  4  0.2404  0.5367  0.7500  1.0
  Hg  Hg3  4  0.4252  0.1251  0.7500  1.0
  Pb  Pb4  4  0.1784  0.0963  0.7500  1.0
]