data_[U16Si12Ru8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  U  1.3800  1.7500  0.9913
  Si  1.9000  1.1000  0.5400
  Ru  2.2000  1.3000  0.6610
]
_symmetry_space_group_name_H-M [Imma]
_cell_length_a [5.8984]
_cell_length_b [9.7897]
_cell_length_c [10.9221]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [74]
_chemical_formula_structural [U4Si3Ru2]
_chemical_formula_sum '[U16 Si12 Ru8]'
_cell_volume [630.6804]
_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
[
  U  U0  8  0.2500  0.0075  0.7500  1
  U  U1  4  0.0000  0.0000  0.0000  1
  U  U2  4  0.0000  0.0000  0.5000  1
  Si  Si3  8  0.2418  0.2500  0.4287  1
  Si  Si4  4  0.0000  0.2500  0.8506  1
  Ru  Ru5  4  0.0000  0.2500  0.2449  1
  Ru  Ru6  4  0.0000  0.2500  0.6179  1
]