data_[Ag6Sn2Hg2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ag  1.9300  1.6000  1.0867
  Sn  1.9600  1.4500  0.8300
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [5.3181]
_cell_length_b [5.1085]
_cell_length_c [7.9392]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.1680]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Ag3SnHg]
_chemical_formula_sum '[Ag6 Sn2 Hg2]'
_cell_volume [203.7315]
_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  0.0364  0.7500  0.9023  1.0
  Ag  Ag1  2  0.1694  0.2500  0.5024  1.0
  Ag  Ag2  2  0.3700  0.2500  0.9023  1.0
  Sn  Sn3  2  0.4341  0.7500  0.7100  1.0
  Hg  Hg4  2  0.2108  0.7500  0.2912  1.0
]