data_B8C
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.58
_cell_length_b   4.58
_cell_length_c   4.58
_cell_angle_alpha   95.53
_cell_angle_beta   95.53
_cell_angle_gamma   143.84
_symmetry_Int_Tables_number   1
_chemical_formula_structural   B8C
_chemical_formula_sum   'B8 C1'
_cell_volume   53.95
_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
  B  B0  1  0.13  0.87  0.42  1.0
  B  B1  1  0.87  0.13  0.42  1.0
  B  B2  1  0.11  0.0  0.0  1.0
  B  B3  1  0.13  0.13  0.42  1.0
  B  B4  1  0.0  0.11  0.0  1.0
  B  B5  1  0.95  0.95  0.0  1.0
  B  B6  1  0.05  0.0  0.0  1.0
  B  B7  1  0.0  0.05  0.0  1.0
  C  C8  1  0.0  0.0  0.0  1.0

data_B8C
_symmetry_space_group_name_H-M   Cm
_cell_length_a   2.84
_cell_length_b   8.71
_cell_length_c   4.58
_cell_angle_alpha   90.0
_cell_angle_beta   108.08
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   B8C
_chemical_formula_sum   'B16 C2'
_cell_volume   107.91
_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
  B  B0  4  0.0  0.13  0.58  1.0
  B  B1  4  0.44  0.44  -0.0  1.0
  B  B2  4  0.48  0.48  -0.0  1.0
  B  B3  2  0.05  0.0  -0.0  1.0
  B  B4  2  0.37  0.5  0.58  1.0
  C  C5  2  0.0  0.0  0.0  1.0

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