data_[K2Rb2Hg2]
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
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [5.1560]
_cell_length_b [6.9402]
_cell_length_c [9.6365]
_cell_angle_alpha [100.9277]
_cell_angle_beta [93.8494]
_cell_angle_gamma [89.9999]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [KRbHg]
_chemical_formula_sum '[K2 Rb2 Hg2]'
_cell_volume [337.7810]
_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  2  0.2280  0.8376  0.8412  1.0
  Rb  Rb1  2  0.2836  0.7085  0.3355  1.0
  Hg  Hg2  2  0.2452  0.3731  0.9648  1.0
]