data_[U4Si4Ru8C4]
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
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [3.7824]
_cell_length_b [11.4163]
_cell_length_c [6.9747]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [USiRu2C]
_chemical_formula_sum '[U4 Si4 Ru8 C4]'
_cell_volume [301.1763]
_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  4  0.0000  0.4470  0.7500  1
  Si  Si1  4  0.0000  0.2740  0.2500  1
  Ru  Ru2  8  0.0000  0.1636  0.5515  1
  C  C3  4  0.0000  0.0000  0.0000  1
]