data_[Rb6Hg8Sb4]
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
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.4668]
_cell_length_b [5.4126]
_cell_length_c [10.3082]
_cell_angle_alpha [90.0000]
_cell_angle_beta [101.2371]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb3(Hg2Sb)2]
_chemical_formula_sum '[Rb6 Hg8 Sb4]'
_cell_volume [682.2464]
_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
[
  Rb  Rb0  4  0.1145  0.5000  0.3814  1
  Rb  Rb1  2  0.0000  0.0000  0.0000  1
  Hg  Hg2  4  0.0943  0.0000  0.6390  1
  Hg  Hg3  4  0.2213  0.5000  0.0808  1
  Sb  Sb4  4  0.2019  0.5000  0.7781  1
]