data_[Rb4Hg4Cl12]
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
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [13.9822]
_cell_length_b [10.0508]
_cell_length_c [4.9083]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.4215]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [RbHgCl3]
_chemical_formula_sum '[Rb4 Hg4 Cl12]'
_cell_volume [689.7607]
_cell_formula_units_Z [4]
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  0.2310  0.5000  0.7514  1.0
  Hg  Hg1  4  0.0000  0.1961  0.5000  1.0
  Cl  Cl2  8  0.1330  0.7016  0.2532  1.0
  Cl  Cl3  4  0.1003  0.0000  0.7395  1.0
]