data_[Rb14Hg4O4]
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
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [8.2863]
_cell_length_b [13.0375]
_cell_length_c [8.1534]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Rb7(HgO)2]
_chemical_formula_sum '[Rb14 Hg4 O4]'
_cell_volume [880.8311]
_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  8  0.2500  0.2500  0.2134  1
  Rb  Rb1  4  0.0000  0.5000  0.2054  1
  Rb  Rb2  2  0.0000  0.0000  0.0000  1
  Hg  Hg3  4  0.1703  0.0000  0.5000  1
  O  O4  4  0.0000  0.3248  0.0000  1
]