data_[V4Ag8Hg4O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  V  1.6300  1.3500  0.7775
  Ag  1.9300  1.6000  1.0867
  Hg  2.0000  1.5000  1.2450
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Fmm2]
_cell_length_a [6.7719]
_cell_length_b [7.7977]
_cell_length_c [9.8659]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [42]
_chemical_formula_structural [VAg2HgO4]
_chemical_formula_sum '[V4 Ag8 Hg4 O16]'
_cell_volume [520.9690]
_cell_formula_units_Z [4]
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
[
  V  V0  4  0.0000  0.0000  0.4879  1
  Ag  Ag1  8  0.2500  0.2500  0.2542  1
  Hg  Hg2  4  0.0000  0.0000  0.0492  1
  O  O3  8  0.0000  0.1813  0.5916  1
  O  O4  8  0.2160  0.0000  0.3858  1
]