Unlvorslty of Selones and Teehnology of China E6=a-2B 6个p电子总能量: 2(a+2β)+4(+β) E4=Es=a-B =60+8B 非键轨道 3个隔离的双键 E2=E3=0+B 6个p电子总能量= 6(+B) E1=0+2β 稳定化能(电离能)△E=2B(180kJ) Organic Chem University of Science and Technology of China Organic Chem E1 = + 2 E2 = E3 = + 非键轨道 E6 = - 2 E4 = E5 = - 6个p电子总能量: 2( + )+ 4(+) = 6+8 3个隔离的双键 6个p电子总能量 = 6(+) 稳定化能(电离能)△ E = 2(180kJ)