data_[V4Ag4Hg4O16]
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 [Cmcm]
_cell_length_a [6.8876]
_cell_length_b [10.4094]
_cell_length_c [6.8147]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [VAgHgO4]
_chemical_formula_sum '[V4 Ag4 Hg4 O16]'
_cell_volume [488.5890]
_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  0.3818  0.7500  1.0
  Ag  Ag1  4  0.0000  0.0002  0.2500  1.0
  Hg  Hg2  4  0.0000  0.2904  0.2500  1.0
  O  O3  8  0.0000  0.2741  0.5481  1.0
  O  O4  8  0.1977  0.4839  0.7500  1.0
]