data_[Rb1Si1Hg2F8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Si  1.9000  1.1000  0.5400
  Hg  2.0000  1.5000  1.2450
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [5.2322]
_cell_length_b [5.4468]
_cell_length_c [6.9140]
_cell_angle_alpha [91.1244]
_cell_angle_beta [90.5390]
_cell_angle_gamma [91.7263]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [RbSiHg2F8]
_chemical_formula_sum '[Rb1 Si1 Hg2 F8]'
_cell_volume [196.9065]
_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
[
  Rb  Rb0  1  0.0000  0.0000  0.5000  1
  Si  Si1  1  0.0000  0.0000  0.0000  1
  Hg  Hg2  2  0.4957  0.4905  0.2078  1
  F  F3  2  0.0233  0.2584  0.1494  1
  F  F4  2  0.2148  0.8559  0.1445  1
  F  F5  2  0.2445  0.1145  0.8614  1
  F  F6  2  0.4808  0.7357  0.5387  1
]