丁二烯元分子轨道对称性oCC4CC2c)OcLo
c1 c2 c3 c4 c4 c3 c2 c1 C2 丁二烯 分子轨道对称性 A A A A S S S S c1 c2 c3 c4
cx+c,=0对称性解丁二烯C +C2(x+1)= 0CS: cf = c4; C2Cx+C=0x=-1.618G +cx+c, =0x=0.618C2 +Cgx+c4 =0x=-0.618C,+c,x=0x = 1.618cx+c, =0[c +C2(x-1)= 0
1 2 1 2 0 ( 1) 0 c x c c c x + = + + = 对称性解丁二烯 x = −1.618 x = 0.618 x = −0.618 x = 1.618 1 0 1 1 x x = + 1 0 1 1 x x = − c1 c2 c3 c4 1 2 1 2 3 2 3 4 3 4 0 0 0 0 c x c c c x c c c x c c c x + = + + = + + = + = 1 2 1 2 0 ( 1) 0 c x c c c x + = + − =