data_[Rb3Cd3Hg3Sb3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Cd  1.6900  1.5500  1.0900
  Hg  2.0000  1.5000  1.2450
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [R3m]
_cell_length_a [4.9025]
_cell_length_b [4.9025]
_cell_length_c [21.5497]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [RbCdHgSb]
_chemical_formula_sum '[Rb3 Cd3 Hg3 Sb3]'
_cell_volume [448.5392]
_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  3  0.0000  0.0000  0.6650  1
  Cd  Cd1  3  0.0000  0.0000  0.1362  1
  Hg  Hg2  3  0.0000  0.0000  0.8929  1
  Sb  Sb3  3  0.0000  0.0000  0.4538  1
]