data_[Cs2Na4Hg4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Na  0.9300  1.8000  1.1600
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.1696]
_cell_length_b [5.9958]
_cell_length_c [6.0159]
_cell_angle_alpha [90.0000]
_cell_angle_beta [111.3622]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Cs(NaHg)2]
_chemical_formula_sum '[Cs2 Na4 Hg4]'
_cell_volume [375.2104]
_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  0.0000  0.5000  0.0000  1
  Na  Na1  4  0.2377  0.0000  0.2908  1
  Hg  Hg2  4  0.1237  0.0000  0.7136  1
]