data_[Rb2Be2Hg1I6]
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
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [8.5537]
_cell_length_b [8.8044]
_cell_length_c [9.7191]
_cell_angle_alpha [80.2712]
_cell_angle_beta [64.4095]
_cell_angle_gamma [67.9993]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [Rb2Be2HgI6]
_chemical_formula_sum '[Rb2 Be2 Hg1 I6]'
_cell_volume [612.0511]
_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  2  0.3198  0.7981  0.2109  1.0
  Be  Be1  2  0.2960  0.9358  0.7717  1.0
  Hg  Hg2  1  0.0000  0.5000  0.5000  1.0
  I  I3  2  0.1964  0.0008  0.5761  1.0
  I  I4  2  0.2183  0.1420  0.9342  1.0
  I  I5  2  0.4660  0.6713  0.8125  1.0
]