data_[Rb6Hg18Pt6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Hg  2.0000  1.5000  1.2450
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [7.5928]
_cell_length_b [7.5928]
_cell_length_c [17.8779]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [RbHg3Pt]
_chemical_formula_sum '[Rb6 Hg18 Pt6]'
_cell_volume [892.5786]
_cell_formula_units_Z [6]
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  6  0.0000  0.0000  0.1010  1
  Hg  Hg1  18  0.0527  0.5264  0.0906  1
  Pt  Pt2  6  0.0000  0.0000  0.3016  1
]