data_[Zn4Hg4Pb4O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Zn  1.6500  1.3500  0.8800
  Hg  2.0000  1.5000  1.2450
  Pb  2.3300  1.8000  1.1225
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Imma]
_cell_length_a [6.4320]
_cell_length_b [6.7777]
_cell_length_c [9.3192]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [74]
_chemical_formula_structural [ZnHgPbO4]
_chemical_formula_sum '[Zn4 Hg4 Pb4 O16]'
_cell_volume [406.2661]
_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
[
  Zn  Zn0  4  0.2500  0.2500  0.2500  1.0
  Hg  Hg1  4  0.0000  0.2500  0.8504  1.0
  Pb  Pb2  4  0.0000  0.0000  0.5000  1.0
  O  O3  8  0.0000  0.0408  0.2663  1.0
  O  O4  8  0.2281  0.2500  0.4871  1.0
]