data_[Rb4Tl2Ag2Hg12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Tl  1.6200  1.9000  1.3325
  Ag  1.9300  1.6000  1.0867
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [Pmmn]
_cell_length_a [8.5915]
_cell_length_b [9.8627]
_cell_length_c [8.4760]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [59]
_chemical_formula_structural [Rb2TlAgHg6]
_chemical_formula_sum '[Rb4 Tl2 Ag2 Hg12]'
_cell_volume [718.2169]
_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
[
  Rb  Rb0  4  0.0000  0.2303  0.7422  1.0
  Tl  Tl1  2  0.0000  0.5000  0.4327  1.0
  Ag  Ag2  2  0.0000  0.0000  0.0748  1.0
  Hg  Hg3  4  0.0000  0.2626  0.2109  1.0
  Hg  Hg4  4  0.1812  0.0000  0.3978  1.0
  Hg  Hg5  4  0.1842  0.5000  0.0247  1.0
]