B6 Clusters   Main B6 B8 B9 B10 B11 B12 B13 B14 Spin State Singlet Triplet Singlet Relative Energy 0 0.50 eV 0.94 eV Geometry PDB PDB PDB Spin State Triplet Singlet Singlet Relative Energy 1.03 eV 1.17 eV 1.76 eV Geometry PDB PDB PDB