data_[Rb4Hg2Te4O12]
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
  Te  2.1000  1.4000  1.2933
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [9.1196]
_cell_length_b [7.2863]
_cell_length_c [8.7900]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.3441]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb2Hg(TeO3)2]
_chemical_formula_sum '[Rb4 Hg2 Te4 O12]'
_cell_volume [547.6400]
_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  4  0.2178  0.5000  0.2168  1.0
  Hg  Hg1  2  0.0000  0.5000  0.5000  1.0
  Te  Te2  4  0.1245  0.0000  0.2218  1.0
  O  O3  8  0.0009  0.2006  0.7743  1.0
  O  O4  4  0.2358  0.5000  0.5494  1.0
]