data_[Rb8Ag8Hg4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ag  1.9300  1.6000  1.0867
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [11.9316]
_cell_length_b [6.9323]
_cell_length_c [8.7508]
_cell_angle_alpha [90.0000]
_cell_angle_beta [101.3281]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Rb2Ag2Hg]
_chemical_formula_sum '[Rb8 Ag8 Hg4]'
_cell_volume [709.7132]
_cell_formula_units_Z [4]
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  0.1448  0.3541  0.1361  1.0
  Ag  Ag1  8  0.1440  0.1508  0.5114  1.0
  Hg  Hg2  4  0.0000  0.1009  0.7500  1.0
]