data_[Rb6Co3Hg3Br18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Co  1.8800  1.3500  0.7683
  Hg  2.0000  1.5000  1.2450
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [7.6904]
_cell_length_b [7.6904]
_cell_length_c [18.3297]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Rb2CoHgBr6]
_chemical_formula_sum '[Rb6 Co3 Hg3 Br18]'
_cell_volume [938.8160]
_cell_formula_units_Z [3]
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  6  0.0000  0.0000  0.2496  1.0
  Co  Co1  3  -0.0000  0.0000  0.5000  1.0
  Hg  Hg2  3  0.0000  0.0000  0.0000  1.0
  Br  Br3  18  0.0316  0.4749  0.2446  1.0
]