data_[K2Rb4Na2Hg1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Rb  0.8200  2.3500  1.6600
  Na  0.9300  1.8000  1.1600
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [8.4480]
_cell_length_b [8.8398]
_cell_length_c [8.8916]
_cell_angle_alpha [70.9412]
_cell_angle_beta [66.9016]
_cell_angle_gamma [77.2699]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [K2Rb4Na2Hg]
_chemical_formula_sum '[K2 Rb4 Na2 Hg1]'
_cell_volume [574.0405]
_cell_formula_units_Z [1]
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
[
  Rb  Rb0  2  0.2067  0.6442  0.2738  1.0
  Rb  Rb1  2  0.2508  0.6763  0.7563  1.0
  K  K2  2  0.2825  0.1335  0.1844  1.0
  Na  Na3  2  0.3043  0.1709  0.6820  1.0
  Hg  Hg4  1  0.0000  0.0000  0.0000  1.0
]