data_[Rb1Ni1Hg2Cl8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ni  1.9100  1.3500  0.7400
  Hg  2.0000  1.5000  1.2450
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [6.4870]
_cell_length_b [7.0767]
_cell_length_c [8.8186]
_cell_angle_alpha [66.6006]
_cell_angle_beta [79.6712]
_cell_angle_gamma [80.5751]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [RbNi(HgCl4)2]
_chemical_formula_sum '[Rb1 Ni1 Hg2 Cl8]'
_cell_volume [363.5946]
_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  0.5000  1.0
  Ni  Ni1  1  0.0000  0.0000  0.0000  1.0
  Hg  Hg2  2  0.4568  0.4353  0.7632  1.0
  Cl  Cl3  2  0.1082  0.7446  0.2313  1.0
  Cl  Cl4  2  0.2222  0.8589  0.8412  1.0
  Cl  Cl5  2  0.2798  0.2097  0.0116  1.0
  Cl  Cl6  2  0.4401  0.2740  0.4771  1.0
]