data_[Ce6Pm9Hg24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Pm  1.1300  1.8500  1.1100
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [6.0919]
_cell_length_b [6.0919]
_cell_length_c [35.6907]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Ce2Pm3Hg8]
_chemical_formula_sum '[Ce6 Pm9 Hg24]'
_cell_volume [1147.0910]
_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
[
  Ce  Ce0  6  0.0000  0.0000  0.3708  1
  Pm  Pm1  6  0.0000  0.0000  0.1933  1
  Pm  Pm2  3  0.0000  0.0000  0.0000  1
  Hg  Hg3  18  0.0047  0.5024  0.7785  1
  Hg  Hg4  6  0.0000  0.0000  0.2851  1
]