data_[Cs16Rb4Hg4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Rb  0.8200  2.3500  1.6600
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [13.2403]
_cell_length_b [18.4587]
_cell_length_c [8.9311]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.7797]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Cs4RbHg]
_chemical_formula_sum '[Cs16 Rb4 Hg4]'
_cell_volume [2078.4980]
_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
[
  Cs  Cs0  8  0.1039  0.1638  0.0576  1.0
  Cs  Cs1  8  0.2395  0.4112  0.3752  1.0
  Rb  Rb2  4  0.0000  0.3849  0.7500  1.0
  Hg  Hg3  4  0.0000  0.0041  0.7500  1.0
]