data_[Ni2Hg1Pb1F8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ni  1.9100  1.3500  0.7400
  Hg  2.0000  1.5000  1.2450
  Pb  2.3300  1.8000  1.1225
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [4.3613]
_cell_length_b [5.3961]
_cell_length_c [7.7976]
_cell_angle_alpha [83.7673]
_cell_angle_beta [88.2688]
_cell_angle_gamma [80.7121]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [Ni2HgPbF8]
_chemical_formula_sum '[Ni2 Hg1 Pb1 F8]'
_cell_volume [180.0190]
_cell_formula_units_Z [1]
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
[
  Ni  Ni0  2  0.4803  0.4644  0.2056  1
  Hg  Hg1  1  0.0000  0.0000  0.0000  1
  Pb  Pb2  1  0.0000  0.0000  0.5000  1
  F  F3  2  0.0957  0.7349  0.7920  1
  F  F4  2  0.1247  0.7272  0.2538  1
  F  F5  2  0.4156  0.2833  0.9943  1
  F  F6  2  0.4312  0.2578  0.4250  1
]