data_Ru4C
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.99
_cell_length_b   6.99
_cell_length_c   6.99
_cell_angle_alpha   109.47
_cell_angle_beta   109.47
_cell_angle_gamma   109.47
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ru4C
_chemical_formula_sum   'Ru16 C4'
_cell_volume   262.63
_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  Ru4  1  0.05  0.05  0.05  1.0
  Ru  Ru5  1  0.02  0.98  0.98  1.0
  Ru  Ru6  1  0.98  0.02  0.98  1.0
  Ru  Ru7  1  0.98  0.98  0.02  1.0
  Ru  Ru8  1  0.0  0.0  0.69  1.0
  Ru  Ru9  1  0.0  0.0  0.38  1.0
  Ru  Ru10  1  0.0  0.69  0.0  1.0
  Ru  Ru11  1  0.0  0.38  0.0  1.0
  Ru  Ru12  1  0.69  0.0  0.0  1.0
  Ru  Ru13  1  0.38  0.0  0.0  1.0
  Ru  Ru14  1  0.03  0.0  0.02  1.0
  Ru  Ru15  1  0.0  0.03  0.02  1.0
  Ru  Ru16  1  0.0  0.02  0.03  1.0
  Ru  Ru17  1  0.03  0.02  0.0  1.0
  Ru  Ru18  1  0.02  0.03  0.0  1.0
  Ru  Ru19  1  0.02  0.0  0.03  1.0
  C  C0  1  0.92  0.92  0.92  1.0
  C  C1  1  0.88  0.12  0.12  1.0
  C  C2  1  0.12  0.88  0.12  1.0
  C  C3  1  0.12  0.12  0.88  1.0

data_Ru4C
_symmetry_space_group_name_H-M   R3m
_cell_length_a   11.41
_cell_length_b   11.41
_cell_length_c   6.99
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   160
_chemical_formula_structural   Ru4C
_chemical_formula_sum   'Ru48 C12'
_cell_volume   787.9
_cell_formula_units_Z   12
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-y, x-y, z'
  3  '-x+y, -x, z'
  4  '-y, -x, z'
  5  '-x+y, y, z'
  6  'x, x-y, z'
  7  'x+2/3, y+1/3, z+1/3'
  8  '-y+2/3, x-y+1/3, z+1/3'
  9  '-x+y+2/3, -x+1/3, z+1/3'
  10  '-y+2/3, -x+1/3, z+1/3'
  11  '-x+y+2/3, y+1/3, z+1/3'
  12  'x+2/3, x-y+1/3, z+1/3'
  13  'x+1/3, y+2/3, z+2/3'
  14  '-y+1/3, x-y+2/3, z+2/3'
  15  '-x+y+1/3, -x+2/3, z+2/3'
  16  '-y+1/3, -x+2/3, z+2/3'
  17  '-x+y+1/3, y+2/3, z+2/3'
  18  'x+1/3, x-y+2/3, z+2/3'
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  18  0.0  0.02  0.02  1.0
  Ru  Ru1  9  0.02  0.01  0.99  1.0
  Ru  Ru2  9  0.1  0.21  0.9  1.0
  Ru  Ru3  9  0.21  0.42  0.79  1.0
  Ru  Ru4  3  0.0  0.0  0.05  1.0
  C  C5  9  0.08  0.16  0.04  1.0
  C  C6  3  0.0  0.0  0.92  1.0

Ru Ru Ru Ru Ru Ru Ru Ru Ru Ru Ru Ru Ru Ru Ru Ru C C C C