data_[Pu20Hg8Os8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pu  1.2800  1.7500  0.9675
  Hg  2.0000  1.5000  1.2450
  Os  2.2000  1.3000  0.6730
]
_symmetry_space_group_name_H-M [Cmce]
_cell_length_a [15.9104]
_cell_length_b [7.5768]
_cell_length_c [7.6051]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [64]
_chemical_formula_structural [Pu5(HgOs)2]
_chemical_formula_sum '[Pu20 Hg8 Os8]'
_cell_volume [916.7930]
_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
[
  Pu  Pu0  16  0.1148  0.1591  0.3410  1
  Pu  Pu1  4  0.0000  0.0000  0.0000  1
  Hg  Hg2  8  0.2136  0.0000  0.0000  1
  Os  Os3  8  0.0000  0.1410  0.6406  1
]