data_[Ru8C4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ru  2.2000  1.3000  0.6610
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [Pbcn]
_cell_length_a [4.9486]
_cell_length_b [5.6509]
_cell_length_c [4.9951]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [60]
_chemical_formula_structural [Ru2C]
_chemical_formula_sum '[Ru8 C4]'
_cell_volume [139.6856]
_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
[
  Ru  Ru0  8  0.2433  0.3942  0.4268  1
  C  C1  4  0.0000  0.1467  0.2500  1
]