data_[Rb1Ac2Hg2O6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ac  1.1000  1.9500  1.2600
  Hg  2.0000  1.5000  1.2450
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [7.1287]
_cell_length_b [7.1438]
_cell_length_c [7.3023]
_cell_angle_alpha [115.0915]
_cell_angle_beta [90.3397]
_cell_angle_gamma [119.7856]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [RbAc2(HgO3)2]
_chemical_formula_sum '[Rb1 Ac2 Hg2 O6]'
_cell_volume [280.9767]
_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  0.5000  0.0000  0.5000  1
  Ac  Ac1  2  0.1747  0.3504  0.5318  1
  Hg  Hg2  2  0.2847  0.1820  0.9914  1
  O  O3  2  0.0738  0.5138  0.3498  1
  O  O4  2  0.1656  0.0967  0.6984  1
  O  O5  2  0.4176  0.2803  0.2848  1
]