data_[Hg4N4F4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Hg  2.0000  1.5000  1.2450
  N  3.0400  0.6500  0.6300
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [7.7612]
_cell_length_b [3.7734]
_cell_length_c [11.1634]
_cell_angle_alpha [90.0000]
_cell_angle_beta [112.6730]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [HgNF]
_chemical_formula_sum '[Hg4 N4 F4]'
_cell_volume [301.6644]
_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
[
  Hg  Hg0  4  0.4626  0.1559  0.8891  1.0
  N  N1  4  0.0602  0.0043  0.4846  1.0
  F  F2  4  0.3502  0.5786  0.7427  1.0
]