data_[Ce20Hg8Rh4]
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 [Cmcm]
_cell_length_a [5.6897]
_cell_length_b [15.5426]
_cell_length_c [12.2609]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Ce5Hg2Rh]
_chemical_formula_sum '[Ce20 Hg8 Rh4]'
_cell_volume [1084.2568]
_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  0.0000  0.0567  0.0929  1
  Ce  Ce1  8  0.0000  0.3039  0.0712  1
  Ce  Ce2  4  0.0000  0.3245  0.7500  1
  Hg  Hg3  8  0.0000  0.1416  0.6339  1
  Rh  Rh4  4  0.0000  0.1835  0.2500  1
]