data_RuC
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.34
_cell_length_b   3.34
_cell_length_c   7.58
_cell_angle_alpha   96.38
_cell_angle_beta   96.38
_cell_angle_gamma   49.72
_symmetry_Int_Tables_number   1
_chemical_formula_structural   RuC
_chemical_formula_sum   'Ru3 C3'
_cell_volume   63.88
_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
  Ru  Ru3  1  0.67  0.0  0.89  1.0
  Ru  Ru4  1  0.26  0.0  0.32  1.0
  Ru  Ru5  1  0.04  0.0  0.85  1.0
  C  C0  1  0.66  0.0  0.25  1.0
  C  C1  1  0.99  0.0  0.25  1.0
  C  C2  1  0.92  0.0  0.75  1.0

data_RuC
_symmetry_space_group_name_H-M   P1
_cell_length_a   2.81
_cell_length_b   3.34
_cell_length_c   7.58
_cell_angle_alpha   96.38
_cell_angle_beta   90.0
_cell_angle_gamma   114.86
_symmetry_Int_Tables_number   1
_chemical_formula_structural   RuC
_chemical_formula_sum   'Ru3 C3'
_cell_volume   63.88
_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
  Ru  Ru0  1  0.0  0.33  0.11  1.0
  Ru  Ru1  1  0.0  0.74  0.68  1.0
  Ru  Ru2  1  0.0  0.96  0.15  1.0
  C  C3  1  0.0  0.01  0.75  1.0
  C  C4  1  0.0  0.08  0.25  1.0
  C  C5  1  0.0  0.34  0.75  1.0

Ru Ru Ru C C C