data_[Hg4Ge2Pb2O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Hg  2.0000  1.5000  1.2450
  Ge  2.0100  1.2500  0.7700
  Pb  2.3300  1.8000  1.1225
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Pmn2_1]
_cell_length_a [6.5447]
_cell_length_b [8.1715]
_cell_length_c [5.6278]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [31]
_chemical_formula_structural [Hg2GePbO4]
_chemical_formula_sum '[Hg4 Ge2 Pb2 O8]'
_cell_volume [300.9729]
_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
[
  Hg  Hg0  4  0.1989  0.3738  0.0502  1.0
  Ge  Ge1  2  0.0000  0.7898  0.9839  1.0
  Pb  Pb2  2  0.0000  0.0839  0.5537  1.0
  O  O3  4  0.2315  0.7248  0.1199  1.0
  O  O4  2  0.0000  0.0053  0.9422  1.0
  O  O5  2  0.0000  0.7052  0.6800  1.0
]