data_[K1Rb2Hg1F6]
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
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [6.4427]
_cell_length_b [6.6034]
_cell_length_c [6.6252]
_cell_angle_alpha [118.7787]
_cell_angle_beta [90.4947]
_cell_angle_gamma [118.8023]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [KRb2HgF6]
_chemical_formula_sum '[K1 Rb2 Hg1 F6]'
_cell_volume [205.5888]
_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  0.2597  0.5045  0.7692  1.0
  K  K1  1  0.5000  0.0000  0.5000  1.0
  Hg  Hg2  1  0.0000  0.0000  0.0000  1.0
  F  F3  2  0.1302  0.9385  0.6828  1.0
  F  F4  2  0.2713  0.4719  0.1866  1.0
  F  F5  2  0.2937  0.9959  0.1588  1.0
]