data_[Rb2Hg4F16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Hg  2.0000  1.5000  1.2450
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [6.6769]
_cell_length_b [13.0202]
_cell_length_c [4.2694]
_cell_angle_alpha [90.0000]
_cell_angle_beta [91.8898]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [RbHg2F8]
_chemical_formula_sum '[Rb2 Hg4 F16]'
_cell_volume [370.9544]
_cell_formula_units_Z [2]
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  2  0.0000  0.0000  0.5000  1.0
  Hg  Hg1  4  0.0000  0.3334  0.0000  1.0
  F  F2  8  0.1953  0.8518  0.0141  1.0
  F  F3  4  0.0000  0.2971  0.5000  1.0
  F  F4  4  0.0697  0.5000  0.3024  1.0
]