data_[Ag2Hg4Cl2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ag  1.9300  1.6000  1.0867
  Hg  2.0000  1.5000  1.2450
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [11.0660]
_cell_length_b [3.6732]
_cell_length_c [6.0960]
_cell_angle_alpha [90.0000]
_cell_angle_beta [120.3945]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [AgHg2Cl]
_chemical_formula_sum '[Ag2 Hg4 Cl2]'
_cell_volume [213.7320]
_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
[
  Ag  Ag0  2  0.0425  0.5000  0.4028  1.0
  Hg  Hg1  2  0.3001  0.5000  0.3487  1.0
  Hg  Hg2  2  0.4783  0.5000  0.9891  1.0
  Cl  Cl3  2  0.1791  0.0000  0.7594  1.0
]