data_[Cu4Hg4Sb2O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cu  1.9000  1.3500  0.8200
  Hg  2.0000  1.5000  1.2450
  Sb  2.0500  1.4500  0.8300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [6.1514]
_cell_length_b [9.0739]
_cell_length_c [6.0916]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.0436]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Cu2Hg2SbO6]
_chemical_formula_sum '[Cu4 Hg4 Sb2 O12]'
_cell_volume [325.0874]
_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
[
  Cu  Cu0  4  0.0000  0.3403  0.5000  1.0
  Hg  Hg1  4  0.0000  0.1728  0.0000  1.0
  Sb  Sb2  2  0.0000  0.0000  0.5000  1.0
  O  O3  8  0.1377  0.1710  0.7185  1.0
  O  O4  4  0.2270  0.5000  0.6212  1.0
]