data_[K10Rb2Na4Hg4]
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 [P4/mbm]
_cell_length_a [13.8661]
_cell_length_b [13.8661]
_cell_length_c [5.4807]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [127]
_chemical_formula_structural [K5Rb(NaHg)2]
_chemical_formula_sum '[K10 Rb2 Na4 Hg4]'
_cell_volume [1053.7659]
_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
[
  K  K0  8  0.0849  0.7848  0.5000  1
  Rb  Rb1  2  0.0000  0.0000  0.0000  1
  K  K2  2  0.0000  0.5000  0.5000  1
  Na  Na3  4  0.1601  0.3399  0.0000  1
  Hg  Hg4  4  0.1216  0.6216  0.0000  1
]