data_[Hg2Te2Pb2O2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Hg  2.0000  1.5000  1.2450
  Te  2.1000  1.4000  1.2933
  Pb  2.3300  1.8000  1.1225
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P6_3mc]
_cell_length_a [4.0616]
_cell_length_b [4.0616]
_cell_length_c [14.2141]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [186]
_chemical_formula_structural [HgTePbO]
_chemical_formula_sum '[Hg2 Te2 Pb2 O2]'
_cell_volume [203.0703]
_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  2  0.3333  0.6667  0.2666  1
  Te  Te1  2  0.3333  0.6667  0.6208  1
  Pb  Pb2  2  0.0000  0.0000  0.4816  1
  O  O3  2  0.0000  0.0000  0.3187  1
]