data_[Cs36K3Hg21]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  K  0.8200  2.2000  1.5200
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [19.2953]
_cell_length_b [19.2953]
_cell_length_c [13.3641]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Cs12KHg7]
_chemical_formula_sum '[Cs36 K3 Hg21]'
_cell_volume [4308.9789]
_cell_formula_units_Z [3]
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  18  0.0354  0.4444  0.6573  1.0
  Cs  Cs1  18  0.0493  0.8564  0.3518  1.0
  K  K2  3  0.0000  0.0000  0.0000  1.0
  Hg  Hg3  18  0.0385  0.8816  0.8166  1.0
  Hg  Hg4  3  0.0000  0.0000  0.5000  1.0
]