data_[Cs8Rb8Hg4]
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/m]
_cell_length_a [10.5181]
_cell_length_b [16.4891]
_cell_length_c [10.0904]
_cell_angle_alpha [90.0000]
_cell_angle_beta [115.8076]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Cs2Rb2Hg]
_chemical_formula_sum '[Cs8 Rb8 Hg4]'
_cell_volume [1575.4789]
_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  0.0427  0.2738  0.7622  1
  Rb  Rb1  4  0.2296  0.0000  0.3773  1
  Rb  Rb2  4  0.2448  0.5000  0.1286  1
  Hg  Hg3  4  0.0000  0.0941  0.0000  1
]