data_[Rb2Be2Hg2F12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Be  1.5700  1.0500  0.5900
  Hg  2.0000  1.5000  1.2450
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [C2]
_cell_length_a [5.1910]
_cell_length_b [10.3164]
_cell_length_c [6.0409]
_cell_angle_alpha [90.0000]
_cell_angle_beta [94.5435]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [5]
_chemical_formula_structural [RbBeHgF6]
_chemical_formula_sum '[Rb2 Be2 Hg2 F12]'
_cell_volume [322.4877]
_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  0.9629  0.0000  1.0
  Be  Be1  2  0.0000  0.3920  0.5000  1.0
  Hg  Hg2  2  0.0000  0.6811  0.5000  1.0
  F  F3  4  0.1580  0.4838  0.3535  1.0
  F  F4  4  0.1963  0.3099  0.6527  1.0
  F  F5  4  0.2154  0.6868  0.7971  1.0
]