data_ReC8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.92
_cell_length_b   5.92
_cell_length_c   5.92
_cell_angle_alpha   92.69
_cell_angle_beta   92.69
_cell_angle_gamma   154.99
_symmetry_Int_Tables_number   1
_chemical_formula_structural   ReC8
_chemical_formula_sum   'Re1 C8'
_cell_volume   85.67
_cell_formula_units_Z   1
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
  Re  Re8  1  0.0  0.0  0.0  1.0
  C  C0  1  0.27  0.73  0.28  1.0
  C  C1  1  0.73  0.27  0.28  1.0
  C  C2  1  0.08  0.0  0.0  1.0
  C  C3  1  0.27  0.27  0.28  1.0
  C  C4  1  0.0  0.08  0.0  1.0
  C  C5  1  0.82  0.82  0.0  1.0
  C  C6  1  0.1  0.0  0.0  1.0
  C  C7  1  0.0  0.1  0.0  1.0

data_ReC8
_symmetry_space_group_name_H-M   Cm
_cell_length_a   2.56
_cell_length_b   11.56
_cell_length_c   5.92
_cell_angle_alpha   90.0
_cell_angle_beta   102.51
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   ReC8
_chemical_formula_sum   'Re2 C16'
_cell_volume   171.34
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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
  Re  Re0  2  0.0  0.0  0.0  1.0
  C  C1  4  -0.0  0.27  0.72  1.0
  C  C2  4  0.45  0.45  0.0  1.0
  C  C3  4  0.46  0.46  0.0  1.0
  C  C4  2  0.18  0.0  0.0  1.0
  C  C5  2  0.23  0.5  0.72  1.0

Re C C C C C C C C
Re C C C C C C C C 0 6 - - o 0 5 o o o 0 3 o o o 0 4 o o o 1 2 - o o 1 2 o + o 3 7 o o o 3 4 o o o 4 5 o o o 4 8 o o o 4 6 - - o 4 7 o o o 5 8 o o o 