From Table , it is clear that relatively higher value of E( "LP" for 1-center valence lone pair, "BD" for 2-center bond, "BD*" for 2-center antibond, and, the unstarred and starred labels corresponding to Lewis and non-Lewis NBOs, respectively), a serial number (1, 2,... if there is a single, double,... bond between the pair of atoms), and the atom(s) to which the NBO is affixed.