data_[Cs2K2Na4Hg2]
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
  Na  0.9300  1.8000  1.1600
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [9.9552]
_cell_length_b [4.6621]
_cell_length_c [12.1802]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.2268]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [CsKNa2Hg]
_chemical_formula_sum '[Cs2 K2 Na4 Hg2]'
_cell_volume [552.4889]
_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  2  0.1752  0.2500  0.2275  1.0
  K  K1  2  0.3338  0.2500  0.8775  1.0
  Na  Na2  2  0.0884  0.2500  0.5899  1.0
  Na  Na3  2  0.4605  0.2500  0.5942  1.0
  Hg  Hg4  2  0.2477  0.7500  0.4885  1.0
]