data_[Rb1Al1Hg2Br4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Al  1.6100  1.2500  0.6750
  Hg  2.0000  1.5000  1.2450
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [P1]
_cell_length_a [6.8217]
_cell_length_b [6.8662]
_cell_length_c [8.3461]
_cell_angle_alpha [86.5136]
_cell_angle_beta [67.1595]
_cell_angle_gamma [79.5213]
_symmetry_Int_Tables_number [1]
_chemical_formula_structural [RbAl(HgBr2)2]
_chemical_formula_sum '[Rb1 Al1 Hg2 Br4]'
_cell_volume [354.2420]
_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  0.8608  0.8169  0.6754  1
  Al  Al1  1  0.3631  0.3001  0.6726  1
  Hg  Hg2  1  0.2136  0.6427  0.2021  1
  Hg  Hg3  1  0.7406  0.6310  0.1462  1
  Br  Br4  1  0.0241  0.2895  0.6686  1
  Br  Br5  1  0.3870  0.6364  0.6753  1
  Br  Br6  1  0.3902  0.1503  0.9219  1
  Br  Br7  1  0.6335  0.1460  0.4250  1
]