data_[Rb2Sn6Hg6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Sn  1.9600  1.4500  0.8300
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [P6_3/m]
_cell_length_a [10.2940]
_cell_length_b [10.2940]
_cell_length_c [5.0934]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [176]
_chemical_formula_structural [Rb(SnHg)3]
_chemical_formula_sum '[Rb2 Sn6 Hg6]'
_cell_volume [467.4243]
_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  2  0.3333  0.6667  0.2500  1.0
  Sn  Sn1  6  0.0340  0.2028  0.2500  1.0
  Hg  Hg2  6  0.0614  0.4228  0.7500  1.0
]