Simplified MO diagram of diatomic molecules Og(2S)=(44+42B) n9 0g(2p)=(4p.A-4p,B） LUMO Og(2sp)= 20 9 C(p2s4+p2sB）±C2(02p.A-02p.B） HOMO (C024±C292p,4)+(C102sB干C292p.B） sp-hybridization 3 ,(2sp)= (C924±C202p4)-(C102,B干C92p,B） N2:KK(1oe)21o)(1π)(2o) The narrow energy gap between 2s and 2pz orbitals in a N atom also enables the interatomic interaction between 2s(N1)and 2pz(N2)! The narrow energy gap between 2s and 2pz orbitals in a N atom also enables the interatomic interaction between 2s (N1) and 2pz(N2)!