data_[Cs4Rb2Hg4Cl14]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  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 [I4/mmm]
_cell_length_a [5.4383]
_cell_length_b [5.4383]
_cell_length_c [27.4693]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [139]
_chemical_formula_structural [Cs2RbHg2Cl7]
_chemical_formula_sum '[Cs4 Rb2 Hg4 Cl14]'
_cell_volume [812.4117]
_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
[
  Cs  Cs0  4  0.0000  0.0000  0.1782  1
  Rb  Rb1  2  0.0000  0.0000  0.0000  1
  Hg  Hg2  4  0.0000  0.0000  0.4022  1
  Cl  Cl3  8  0.0000  0.5000  0.0920  1
  Cl  Cl4  4  0.0000  0.0000  0.3069  1
  Cl  Cl5  2  0.0000  0.0000  0.5000  1
]