data_[Rb1Ba4Hg5]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ba  0.8900  2.1500  1.4900
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [P4/mmm]
_cell_length_a [4.2369]
_cell_length_b [4.2369]
_cell_length_c [21.4940]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [123]
_chemical_formula_structural [RbBa4Hg5]
_chemical_formula_sum '[Rb1 Ba4 Hg5]'
_cell_volume [385.8475]
_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  1  0.0000  0.0000  0.0000  1.0
  Ba  Ba1  2  0.0000  0.0000  0.2074  1.0
  Ba  Ba2  2  0.0000  0.0000  0.4027  1.0
  Hg  Hg3  2  0.5000  0.5000  0.1164  1.0
  Hg  Hg4  2  0.5000  0.5000  0.3041  1.0
  Hg  Hg5  1  0.5000  0.5000  0.5000  1.0
]