data_[V4Cu4Hg4O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  V  1.6300  1.3500  0.7775
  Cu  1.9000  1.3500  0.8200
  Hg  2.0000  1.5000  1.2450
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [8.9469]
_cell_length_b [6.4845]
_cell_length_c [8.3618]
_cell_angle_alpha [90.0000]
_cell_angle_beta [113.3496]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [VCuHgO4]
_chemical_formula_sum '[V4 Cu4 Hg4 O16]'
_cell_volume [445.3932]
_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  0.2411  0.5000  0.3490  1.0
  Cu  Cu1  4  0.1433  0.5000  0.6858  1.0
  Hg  Hg2  4  0.0428  0.0000  0.8683  1.0
  O  O3  8  0.1681  0.2101  0.7164  1.0
  O  O4  4  0.0325  0.5000  0.2367  1.0
  O  O5  4  0.2036  0.0000  0.4259  1.0
]