data_[Mg2Ag8Hg4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Ag  1.9300  1.6000  1.0867
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [P1]
_cell_length_a [5.2982]
_cell_length_b [6.8686]
_cell_length_c [7.8858]
_cell_angle_alpha [83.5268]
_cell_angle_beta [76.1781]
_cell_angle_gamma [81.3133]
_symmetry_Int_Tables_number [1]
_chemical_formula_structural [Mg(Ag2Hg)2]
_chemical_formula_sum '[Mg2 Ag8 Hg4]'
_cell_volume [274.5856]
_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
[
  Mg  Mg0  1  0.6413  0.6089  0.6613  1.0
  Mg  Mg1  1  0.9305  0.0315  0.0861  1.0
  Ag  Ag2  1  0.0713  0.7536  0.8077  1.0
  Ag  Ag3  1  0.1408  0.6121  0.1602  1.0
  Ag  Ag4  1  0.2861  0.3251  0.8750  1.0
  Ag  Ag5  1  0.4233  0.0297  0.5895  1.0
  Ag  Ag6  1  0.5802  0.7509  0.3047  1.0
  Ag  Ag7  1  0.7193  0.4602  0.0128  1.0
  Ag  Ag8  1  0.8591  0.1789  0.7356  1.0
  Ag  Ag9  1  0.9915  0.8935  0.4483  1.0
  Hg  Hg10  1  0.2098  0.4783  0.5268  1.0
  Hg  Hg11  1  0.3588  0.1731  0.2268  1.0
  Hg  Hg12  1  0.5053  0.8836  0.9394  1.0
  Hg  Hg13  1  0.7828  0.3206  0.3759  1.0
]