data_[Cu4Ag4Hg4F20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cu  1.9000  1.3500  0.8200
  Ag  1.9300  1.6000  1.0867
  Hg  2.0000  1.5000  1.2450
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [6.6204]
_cell_length_b [11.0746]
_cell_length_c [7.3228]
_cell_angle_alpha [90.0000]
_cell_angle_beta [114.6221]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [CuAgHgF5]
_chemical_formula_sum '[Cu4 Ag4 Hg4 F20]'
_cell_volume [488.0776]
_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
[
  Cu  Cu0  4  0.0000  0.3279  0.7500  1
  Ag  Ag1  4  0.0000  0.3379  0.2500  1
  Hg  Hg2  4  0.0000  0.0000  0.0000  1
  F  F3  8  0.1606  0.4783  0.9375  1
  F  F4  8  0.2352  0.1735  0.2906  1
  F  F5  4  0.0000  0.1526  0.7500  1
]