分子轨道形成示意图 nodal plane combine ● out-of-phase two is orbitals combining out-of-phase to give an antiboning orbital combine in-phase two is orbitals combining in-phase to give a boning orbital nodal plane 88 combine out-of-phase the side_on overlap of two 2p atomic orbitals to give the 2p *antibonding MO 88 combine in-phase the side_on overlap of two 2p atomic orbitals to give the 2p bonding MO
nodal plane two 1s orbitals combining in phase to give a boning orbital two 1s orbitals combining out of phase to give an antiboning orbital combine of in combine out phase phase the side_on overlap of two 2 p atomic orbitals to give the 2 p bonding MO the side_on overlap of two 2 p atomic orbitals to give the 2 p *antibonding MO combine out of phase in combine phase nodal plane 分子轨道形成示意图
乙烯分子基态轨道 节面 对称面 C2轴 Ψ2 1 A S Ψ1 能量 0 S A
节面 1 0 能 量 2 1 * 乙烯分子基态轨道 对称面 A S C2轴 S A
丁二烯分子轨道4n体系 节面 对称面C2轴 Ψ4 3 A Ψ3 2 SA Ψ2 1 出 Ψ1 0 SA
4 3 2 1 节面 3 2 1 0 3 * 4 * 2 1 丁二烯分子轨道 4n体系 对称面 A S A S C2轴 S A S A