data_[Ce20Hg8Rh8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Hg  2.0000  1.5000  1.2450
  Rh  2.2800  1.3500  0.7450
]
_symmetry_space_group_name_H-M [Ima2]
_cell_length_a [16.3084]
_cell_length_b [8.5343]
_cell_length_c [6.7613]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [46]
_chemical_formula_structural [Ce5(HgRh)2]
_chemical_formula_sum '[Ce20 Hg8 Rh8]'
_cell_volume [941.0378]
_cell_formula_units_Z [4]
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
[
  Ce  Ce0  8  0.0464  0.2130  0.8239  1
  Ce  Ce1  8  0.1613  0.6069  0.5718  1
  Ce  Ce2  4  0.2500  0.2053  0.4586  1
  Hg  Hg3  8  0.0966  0.5517  0.0220  1
  Rh  Rh4  4  0.0000  0.0000  0.1266  1
  Rh  Rh5  4  0.2500  0.5013  0.2433  1
]