data_[Cs8Rb2Hg8]
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 [P4_2/n]
_cell_length_a [11.9860]
_cell_length_b [11.9860]
_cell_length_c [7.7785]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [86]
_chemical_formula_structural [Cs4RbHg4]
_chemical_formula_sum '[Cs8 Rb2 Hg8]'
_cell_volume [1117.4878]
_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
[
  Cs  Cs0  8  0.0779  0.6943  0.3748  1.0
  Rb  Rb1  2  0.0000  0.0000  0.0000  1.0
  Hg  Hg2  8  0.1455  0.7457  0.8609  1.0
]