data_[Ag2Hg2]
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
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [3.0563]
_cell_length_b [4.9849]
_cell_length_c [5.8605]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.0422]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [AgHg]
_chemical_formula_sum '[Ag2 Hg2]'
_cell_volume [86.6203]
_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  0.2138  0.2500  0.4119  1.0
  Hg  Hg1  2  0.0813  0.7500  0.1365  1.0
]